Is Blitzball Stadium legal in Standard, Modern, and Commander?

Blitzball Stadium is legal in: Legacy, Vintage, Commander.

What type of card is Blitzball Stadium?

Blitzball Stadium is an Artifact. Its oracle text reads: "When this artifact enters, support X. (Put a +1/+1 counter on each of up to X target creatures.) Go for the Goal! — {3}, {T}: Until end of turn, target creature gains "Whenever this creature deals combat damage to a player, draw a card for each kind of counter on it" and it can't be blocked this turn."

Blitzball Stadium

Artifact

When this artifact enters, support X. (Put a +1/+1 counter on each of up to X target creatures.)

Go for the Goal! — , : Until end of turn, target creature gains "Whenever this creature deals combat damage to a player, draw a card for each kind of counter on it" and it can't be blocked this turn.