Sthurleim Devourer

Freeze (Creatures blocking or blocked by this card do not untap during their controller's next untap phase)
Sthurleim Devourer can block a number of creatures and can only be blocked by a number of creatures equal to the number of colors it has.
Consume 2 (If a creature damaged by this creature is sent to the Graveyard, Consume it and remove it from the game instead. Then put 2 +1/+1 counters on this creature, and it has now the colour(s) of the Consumed creature along with all its previous colours)