Gyarat, Foreseen Reaper

Deathtouch
When Gyarat is in your hand, reveal it and summon two 1/1 Black Zombie creature tokens
When Gyarat is summoned, destroy all non-Zombie creature cards and replace them with 0/1 White Wisp creature tokens with "Sacrifice Wisp: Grant all creatures with the sub-type Zombie +1/+1"