Sudden Substitution [Commander 2019] Homunculus you may pay {2}{R/G}

you may pay {2}{R/G}

Set: Outlaws of Thunder Junction Type: Creature — Human Rogue Rarity: Common Cost: {1}{W} Lifelink

I — Put a +1/+1 counter on up to one target creature

When Aven Riftwatcher enters or leaves the battlefield

Set: Theros Beyond Death Type: Artifact Rarity: Common Cost: {3} Your devotion to each color and each combination of colors is increased by one

Sudden Substitution [Commander 2019] Homunculus you may pay {2}{R/G}Set: Commander 2019 Type: Instant Rarity: Rare Cost: {2}{U}{U} Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Exchange control of target noncreature spell and target creature. Then the spell's controller may choose new targets for it. "Bow before the might ofwait, what?"