Tivash, Gloom Summoner
From Commander 2021 set
Tivash, Gloom Summoner
Legendary Creature — Human Warlock
4/4
Lifelink
At the beginning of your end step, if you gained life this turn, you may pay X life, where X is the amount of life you gained this turn. If you do, create an X/X black Demon creature token with flying.