Slith Firewalker

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

This creature can't be blocked except by three or more creatures. If a spell or ability you control would counter a spell, instead exile that spell and you may play that card without paying its mana cost. When Guile is put into a graveyard from anywhere, shuffle it into its owner's library.

Flying At the beginning of your upkeep, sacrifice this creature unless you return an untapped Island you control to its owner's hand.

2, Reveal X blue cards from your hand, Sacrifice this creature: Counter target spell unless its controller pays X.

2: Target creature gains trample until end of turn. If this is the third time this ability has resolved this turn, you may add RRRRRRRR.

Magma Jet deals 2 damage to any target. Scry 2.

Sacrifice this enchantment: It deals 2 damage to any target.

(T: Add U.)