Is Worldsoul Colossus legal in Standard, Modern, and Commander?

Worldsoul Colossus is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Worldsoul Colossus

Q: What type of card is Worldsoul Colossus?

Worldsoul Colossus is a Creature — Elemental. Its oracle text reads: "Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) This creature enters with X +1/+1 counters on it."