Omni-Man, Viltrumite Hero

Partner with Mark Grayson, Invincible (When
this creature enters the battlefield, target player may
put Mark Grayson into their hand from their library,
then shuffle.)
Menace
Sacrifice a Human: Put a +1/+1 counter on
Omni-Man, Viltrumite Hero. It gains indestructible until end of turn.