Yuriko, the Tiger's Shadow (Foil Etched) [Commander Masters] Elemental Sacrifice a Rat: Create X

Sacrifice a Rat: Create X 1/1 black Rat creature tokens

Ulamog has annihilator X

Set: Commander Masters Type: Creature — Eldrazi Rarity: Rare Cost: {8}{C}{C} When you cast this spell

Ascend (If you control ten or more permanents

−3: Target creature gets +X/+X or -X/-X until end of turn

Yuriko, the Tiger's Shadow (Foil Etched) [Commander Masters] Elemental Sacrifice a Rat: Create XSet: Commander Masters Type: Legendary Creature Human Ninja Rarity: Rare Cost: {1}{U}{B} Commander ninjutsu UB (UB, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand or command zone tapped and attacking.) Whenever a Ninja you control deals combat damage to a player, reveal the top card of your library and put that card into your hand. Each opponent loses life equal to that card's converted mana cost.