Is Prismabasher legal in Standard, Modern, and Commander?

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

Prismabasher

Q: What type of card is Prismabasher?

Prismabasher is a Creature — Elemental. Its oracle text reads: "Trample Vivid — When this creature enters, up to X target creatures you control get +X/+X until end of turn, where X is the number of colors among permanents you control."

Creature — Elemental

$0.15 ↗6 similarCommander, Modern

Trample

Vivid — When this creature enters, up to X target creatures you control get +X/+X until end of turn, where X is the number of colors among permanents you control.

Set Lorwyn Eclipsed

Rarity Uncommon

Mana Value 6

Artist Aaron Miller

Collector # 188