Rhaast, The Darkin Blade

Lifelink
At the beginning of combat on your turn, you may choose one.
•Corrupted Strike {2}{b}: Rhaast, The Darkin Blade gains double strike until end of turn.

•Bloodthirsty Pursuit {1}{b}: Whenever Rhaast, The Darkin Blade deals combat damage to a player, you may pay {1}{b}. If you do, destroy target tapped creature that player controls.