Three-Headed Goblin [Unstable] Mutant Wizard create a number of 1/1

create a number of 1/1 black Rat creature tokens equal to the number of opponents you have

The Mirari's magic transformed the Krosan Forest—and its inhabitants

Set: Mystery Booster Type: Creature — Giant Rarity: Common Cost: {4}{R} Menace

Set: Guilds of Ravnica Promos Type: Sorcery Rarity: Rare Cost: {2}{B}{B} Destroy all creatures with mana value 3 or less

Set: Doctor Who Type: Plane — Earth Rarity: Common All creatures have "Boast — 1: Put a +1/+1 counter on this creature

Three-Headed Goblin [Unstable] Mutant Wizard create a number of 1/1Set: Unstable Type: Creature Goblin Mutant Rarity: Rare Cost: {3}{R}{R} Triple strike (This creature deals first strike, regular, and last strike combat damage.) It's true that two heads are better than one, but after that you run into diminishing returns.