Is Twins of Discord legal in Standard, Modern, and Commander?

Twins of Discord is legal in: Legacy, Vintage, Commander.

Twins of Discord

Q: What type of card is Twins of Discord?

Twins of Discord is a Creature — Eldrazi. Its oracle text reads: "Whenever you attack, choose odd or even. Creatures with mana value of that quality can't block this turn. (Zero is even.) Each other colorless creature you control has bloodthirst 2. (If an opponent was dealt damage this turn, that creature enters with two additional +1/+1 counters on it.) Power/Toughness: 8/6"

Creature — Eldrazi

Whenever you attack, choose odd or even. Creatures with mana value of that quality can't block this turn. (Zero is even.)

Each other colorless creature you control has bloodthirst 2. (If an opponent was dealt damage this turn, that creature enters with two additional +1/+1 counters on it.)

Power/Toughness: 8/6

Set Modern Horizons 3 Commander

Rarity Rare

Mana Value 7

Artist Lorenzo Lanfranconi

Collector # 37

Scryfall