Denji, "Chainsaw Man"

Haste, menace, vigilance
Denji, "Chainsaw Man" creates a number of
Blood tokens equal to its power whenever it deals
combat damage to one or more creatures or
players. Gain one additional Blood token if
the creature was a Demon or Devil.
Sacrifice X Blood tokens: Denji, "Chainsaw Man"
gains indestructible and +1/+1 for each Blood
token sacrificed this way until your next turn.
Sacrifice a Blood token: Regenerate Denji,
"Chainsaw Man"