Is Redemptor Dreadnought legal in Standard, Modern, and Commander?

Redemptor Dreadnought is legal in: Legacy, Vintage, Commander.

Redemptor Dreadnought

Q: What type of card is Redemptor Dreadnought?

Redemptor Dreadnought is an Artifact Creature — Astartes Dreadnought. Its oracle text reads: "Fallen Warrior — As an additional cost to cast this spell, you may exile a creature card from your graveyard. Trample Plasma Incinerator — Whenever this creature attacks, if a card is exiled with it, it gets +X/+X until end of turn, where X is the power of the exiled card."

Artifact Creature — Astartes Dreadnought

Fallen Warrior — As an additional cost to cast this spell, you may exile a creature card from your graveyard.

Trample

Plasma Incinerator — Whenever this creature attacks, if a card is exiled with it, it gets +X/+X until end of turn, where X is the power of the exiled card.

Set Warhammer 40,000 Commander

Rarity Rare

Mana Value 5

Artist Philip Helliwell

Collector # 164

Scryfall Gatherer