Harbinger of Silumgar

Flying, Deathtouch
When Harbinger of Silumgar enters the battlefield, if you control a card named "Silumgar, The Drifting Death", or "Dragonlord Silumgar", you may gain control of target creature or planeswalker. If you pay {2} when Harbinger of Silumgar deals combat damage to any player, repeat this process.