Alchemist's Gambit (DBL 407)

Sorcery • Mana cost: {1}{R}{R} • Innistrad: Double Feature • Rare

Cleave {4}{U}{U}{R} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)
Take an extra turn after this one. During that turn, damage can't be prevented. [At the beginning of that turn's end step, you lose the game.]
Exile Alchemist's Gambit.

Illustrated by Zoltan Boros.