Promote - You may reveal a legendary creature from your opening hand and pay life equal to 2 plus its mana value. If you do, put it in the command zone as an additional commander this game.

When you cast a spell, roll a d20. Add the spell's mana value to the result.

1 - 14 | Draw a card.

15+ | Copy it. You may choose new targets for the copy if able, then draw a card.