Is Repulsive Mutation legal in Standard, Modern, and Commander?

Repulsive Mutation is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Repulsive Mutation

Q: What type of card is Repulsive Mutation?

Repulsive Mutation is an Instant. Its oracle text reads: "Put X +1/+1 counters on target creature you control. Then counter up to one target spell unless its controller pays mana equal to the greatest power among creatures you control."

Instant

Put X +1/+1 counters on target creature you control. Then counter up to one target spell unless its controller pays mana equal to the greatest power among creatures you control.

Set Murders at Karlov Manor

Rarity Uncommon

Mana Value 2

Artist Filip Burburan

Collector # 227

Scryfall Gatherer