The Grim Reaper

Deathtouch, Lifelink, Shroud, Haste, Unblockable, Vigilance, Flying, Wither
Whenever a creature dealt damage by or destroyed by The Grim Reaper dies, put a +1/+1 counter on The Grim Reaper, draw a card, and gain 1 life,
{t}: Destroy target creature. Its controller discards a card, loses 1 life, and taps a permanent they control until their next endstep.