Halve

Extricate (Each card you discard while casting this spell pays for {1} or one mana of that card's color.)
Target creature's controller sacrifices it, then creates 2 black Zombie creature tokens. One has power and toughness each equal to half the sacrificed creature's power and toughness, rounded down, respectively. The other has power and toughness each equal to half the sacrificed creature's power and toughness, rounded up, respectively.