Chemist's Gambit

Cleave {4}{u}{u}{r}
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 Chemist's Gambit.
(Base Card—Alchemists Gambit)
"I have a plan to get rid of Fring"
—Heisenberg