Is Crowd-Control Warden legal in Standard, Modern, and Commander?

Crowd-Control Warden is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Crowd-Control Warden

Q: What type of card is Crowd-Control Warden?

Crowd-Control Warden is a Creature — Centaur Soldier. Its oracle text reads: "As this creature enters or is turned face up, put X +1/+1 counters on it, where X is the number of other creatures you control. Disguise {3}{G/W}{G/W} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) Power/Toughness: 4/4"