Junkyo Bell - Champions of Kamigawa - 258

Artifact

Mana Cost: {4}

At the beginning of your upkeep, you may have target creature you control get +X/+X until end of turn, where X is the number of creatures you control. If you do, sacrifice that creature at the beginning of the next end step.

Rare · Champions of Kamigawa · #258 (CHK)

Illustrated by Kensuke Okabayashi