Carnophage

At the beginning of your upkeep, tap this creature unless you pay 1 life.

Impulse

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

You may sacrifice two Mountains rather than pay this spell's mana cost.
Fireblast deals 4 damage to any target.

Exile target creature. Its controller gains life equal to its power.

Whenever this creature attacks and isn't blocked, you may draw a card. If you do, this creature assigns no combat damage this turn.

Whenever this creature is dealt damage, it deals that much damage to you.

Return a Forest you control to its owner's hand: Untap target creature. Activate only once each turn.