Is Thought Sponge legal in Standard, Modern, and Commander?

Thought Sponge is legal in: Legacy, Vintage, Commander.

Thought Sponge

Q: What type of card is Thought Sponge?

Thought Sponge is a Creature — Sponge. Its oracle text reads: "Flash This creature enters with a number of +1/+1 counters on it equal to the greatest number of cards an opponent has drawn this turn. When this creature dies, draw cards equal to its power. Power/Toughness: 1/1"