Other Goblin creatures you control attack each combat if able.

At the beginning of combat on your turn, create a 1/1 red Goblin creature token with haste.

Whenever Goblin Rabblemaster attacks, it gets +1/+0 until end of turn for each other attacking Goblin.

Enchant creature

When Hammerhand enters the battlefield, target creature can't block this turn.

Enchanted creature gets +1/+1 and has haste.

Heat Ray deals X damage to target creature.

Flying

When Hoarding Dragon enters the battlefield, you may search your library for an artifact card, exile it, then shuffle.

When Hoarding Dragon dies, you may put the exiled card into its owner's hand.

Enchant creature you control

Enchanted creature gets +2/+0.

{R}, Sacrifice Inferno Fist: Inferno Fist deals 2 damage to any target.

Kird Chieftain gets +1/+1 as long as you control a Forest.

{4}{G}: Target creature gets +2/+2 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Whenever you activate an ability of an artifact, if it isn't a mana ability, you may pay {R}. If you do, copy that ability. You may choose new targets for the copy.

Lava Axe deals 5 damage to target player or planeswalker.

Lightning Strike deals 3 damage to any target.

At the beginning of combat on your turn, if you control each creature on the battlefield with the greatest power, gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.)

{2}{R}: Miner's Bane gets +1/+0 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Other red creatures you control get +1/+1.

{R}, {T}: Another target red creature you control gains haste until end of turn. (It can attack and {T} this turn.)

{T}, Discard a card: Draw a card.

As long as you control an artifact, Scrapyard Mongrel gets +2/+0 and has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)

As an additional cost to cast this spell, sacrifice an artifact.

Shrapnel Blast deals 5 damage to any target.

Flying

When Siege Dragon enters the battlefield, destroy all Walls your opponents control.

Whenever Siege Dragon attacks, if defending player controls no Walls, it deals 2 damage to each creature without flying that player controls.

First strike

{3}{R}{R}: Soul of Shandalar deals 3 damage to target player or planeswalker and 3 damage to up to one target creature that player or that planeswalker's controller controls.

{3}{R}{R}, Exile Soul of Shandalar from your graveyard: Soul of Shandalar deals 3 damage to target player or planeswalker and 3 damage to up to one target creature that player or that planeswalker's controller controls.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Stoke the Flames deals 4 damage to any target.

Haste (This creature can attack and {T} as soon as it comes under your control.)

{R}, Sacrifice Torch Fiend: Destroy target artifact.

Defender (This creature can't attack.)

{R}: Wall of Fire gets +1/+0 until end of turn.

{G}: Regenerate Ancient Silverback. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

Destroy all enchantments.

{5}{G}{G}: Put a +1/+1 counter on Carnivorous Moss-Beast.

Charging Rhino can't be blocked by more than one creature.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

{T}: Add {G}.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Create three 3/3 green Beast creature tokens.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Target creature gets +2/+2 until end of turn.

When you cast this spell, reveal the top X cards of your library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield. Then shuffle the rest into your library.

Genesis Hydra enters the battlefield with X +1/+1 counters on it.

Defender (This creature can't attack.)

Whenever Hornet Nest is dealt damage, create that many 1/1 green Insect creature tokens with flying and deathtouch. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

Flying, deathtouch

When Hornet Queen enters the battlefield, create four 1/1 green Insect creature tokens with flying and deathtouch.

Put a +1/+1 counter on target creature you control. Then that creature fights target creature you don't control. (Each deals damage equal to its power to the other.)

Prevent all combat damage that would be dealt by nongreen creatures this turn.

When Invasive Species enters the battlefield, return another permanent you control to its owner's hand.

Kalonian Twingrove's power and toughness are each equal to the number of Forests you control.

When Kalonian Twingrove enters the battlefield, create a green Treefolk Warrior creature token with "This creature's power and toughness are each equal to the number of Forests you control."

As an additional cost to cast this spell, sacrifice a creature.

Draw cards equal to the sacrificed creature's power.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

When Living Totem enters the battlefield, you may put a +1/+1 counter on another target creature.

Destroy target artifact or enchantment.

Reach (This creature can block creatures with flying.)

Whenever Netcaster Spider blocks a creature with flying, Netcaster Spider gets +2/+0 until end of turn.

+1: Target land you control becomes a 4/4 Elemental creature with trample. It's still a land.

+1: Untap up to four target Forests.

−7: Search your library for any number of basic land cards, put them onto the battlefield, then shuffle. Those lands become 4/4 Elemental creatures with trample. They're still lands.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Creatures you control get +3/+3 until end of turn.

Other green creatures you control get +1/+1.

{G}, {T}: Another target green creature you control gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

When Phytotitan dies, return it to the battlefield tapped under its owner's control at the beginning of their next upkeep.

Destroy target creature with flying.