Pochita, Chainsaw Devil

Partner with Denji, Yakuza's Dog
Pay 4 life: Pochita, Chainsaw Devil gains indestructible until end of turn. Tap it.
{2}{b}{b}{r}: If you own and control Pochita, Chainsaw Devil and a creature named Denji, Yakuza's Dog, exile them, then meld into Denji, Chainsaw Man. You may activate this ability from the graveyard if both Pochita, Chainsaw Devil and Denji, Yakuza's Dog entered the graveyard from the battlefield this turn. It costs {2} less.