Containment Breach

Choose an SCP card with rare or mythic rarity
you own in exile, and put it on the battlefield.
You lose life equal to it's converted mana cost.
"SCP-682 just broke out at Gate B. I want all available helicopters and NTF units at Gate B now. I repeat: SCP-682 is out of the facility, all available helicopters and NTF units to Gate B now."
-Security Chief Franklin