Emiel the Blessed [Double Masters 2022] Commander 2013 It has "This creature's power

It has "This creature's power and toughness are each equal to your life total

you opponent discards an Energy card

Its the Lhurgoyf

and now it is my own

Emiel the Blessed [Double Masters 2022] Commander 2013 It has "This creature's powerSet: Double Masters 2022 Type: Legendary Creature Unicorn Rarity: Mythic Cost: {2}{W}{W} {3}: Exile another target creature you control, then return it to the battlefield under its owner's control. Whenever another creature enters the battlefield under your control, you may pay {G W}. If you do, put a +1 +1 counter on it. If it's a Unicorn, put two +1 +1 counters on it instead. ({G W} can be paid with either {G} or {W}.)