Hella, Xathrid's Emissary

First strike, haste
Whenever Hella, Xathrid's Emissary deals
combat damage to a player choose one —
• Hella, Xathrid's Emissary deals that much
damage to a tapped creature that player controls.
• Exile the top two cards of that player's
library. Until the end of your next turn, you
may play those cards.