Counter target spell unless its controller pays {1}.

Creatures you control get +1/+1.

Enchant creature

Enchanted creature gets +2/+0 and has trample.

When Rancor is put into a graveyard from the battlefield, return Rancor to its owner's hand.

Defender

Put a -0/-1 counter on Wall of Roots: Add {G}. Activate only once each turn.

Serrated Arrows enters the battlefield with three arrowhead counters on it.

At the beginning of your upkeep, if there are no arrowhead counters on Serrated Arrows, sacrifice it.

{T}, Remove an arrowhead counter from Serrated Arrows: Put a -1/-1 counter on target creature.

Look at the top three cards of your library, then put them back in any order. You may shuffle.

Draw a card.

Corrupt deals damage to any target equal to the number of Swamps you control. You gain life equal to the damage dealt this way.

({2/R} can be paid with any two mana or with {R}. This card's mana value is 6.)

Flame Javelin deals 4 damage to any target.

Blightning deals 3 damage to target player or planeswalker. That player or that planeswalker's controller discards two cards.

Changeling (This card is every creature type.)

Target creature gets +3/-3 and loses all creature types until end of turn.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Counter target creature spell.

Sacrifice Seal of Cleansing: Destroy target artifact or enchantment.

Shroud (This creature can't be the target of spells or abilities.)

Fading 3 (This creature enters the battlefield with three fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)

Destroy target creature. It can't be regenerated.

Counter target noncreature spell.

Trample

Landfall — Whenever a land enters the battlefield under your control, you may create a 4/4 green Beast creature token.

Valakut, the Molten Pinnacle enters the battlefield tapped.

Whenever a Mountain enters the battlefield under your control, if you control at least five other Mountains, you may have Valakut, the Molten Pinnacle deal 3 damage to any target.

{T}: Add {R}.

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

When Goblin Ringleader enters the battlefield, reveal the top four cards of your library. Put all Goblin cards revealed this way into your hand and the rest on the bottom of your library in any order.

{R}, Sacrifice Goblin Legionnaire: It deals 2 damage to any target.

{W}, Sacrifice Goblin Legionnaire: Prevent the next 2 damage that would be dealt to any target this turn.

{T}: Add {C}.

{T}: Desert deals 1 damage to target attacking creature. Activate only during the end of combat step.

Target player draws two cards.

Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

{1}{G}: Basking Rootwalla gets +2/+2 until end of turn. Activate only once each turn.

Madness {0} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Flying

As long as Wonder is in your graveyard and you control an Island, creatures you control have flying.

Target player sacrifices an attacking creature.

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Haste

Whenever Slith Firewalker deals combat damage to a player, put a +1/+1 counter on it.

{T}: Destroy target tapped creature.

Destroy target artifact. It can't be regenerated.

Exile target creature that dealt damage to you this turn.

Destroy target artifact or creature. It can't be regenerated.

Pyroclasm deals 2 damage to each creature.

Return target creature card from your graveyard to the battlefield.

Counter target spell. If that spell is countered this way, put that card on the top or bottom of its owner's library instead of into that player's graveyard.

Flying

Whenever you cast an instant or sorcery spell, Wee Dragonauts gets +2/+0 until end of turn.

Target opponent reveals their hand. You choose a nonland card from it and exile that card.

Ripple 4 (When you cast this spell, you may reveal the top four cards of your library. You may cast spells with the same name as this spell from among those cards without paying their mana costs. Put the rest on the bottom of your library.)

Surging Flame deals 2 damage to any target.

Multikicker {1}{G} (You may pay an additional {1}{G} any number of times as you cast this spell.)

Joraga Warcaller enters the battlefield with a +1/+1 counter on it for each time it was kicked.

Other Elf creatures you control get +1/+1 for each +1/+1 counter on Joraga Warcaller.

Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell.)

Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.

Target creature gets +3/+3 until end of turn.

First strike (This creature deals combat damage before creatures without first strike.)

Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.)

Choose one —

• Counter target red spell.

• Destroy target red permanent.

White creatures get +1/+1.

Spend only black mana on X.

Drain Life deals X damage to any target. You gain life equal to the damage dealt, but not more life than the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.

Target creature gets +3/+3 until end of turn.

Lightning Bolt deals 3 damage to any target.

{T}: Add {G}.

Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)

{T}: Prodigal Sorcerer deals 1 damage to any target.