Set in Ravnica's epic final battle, introduces new mechanics like AMASS and boosts existing ones like PROLIFERATE, to strengthen creatures with +1/+1 counters during gameplay
Whenever an opponent casts a spell with mana value, power, or toughness equal to that number, they lose two life and the original player draws a card
That means repeatable methods for rolling D20s are slightly better for House (and Farideh, who wants you to roll at least a 10)
It blinks away whenever anything happens, only to return at the end step and trigger your synergies over and over
And because of that, I cant say its fantastic
They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, return target instant or sorcery card from your graveyard to your hand