Is Geode Golem legal in Standard, Modern, and Commander?

Geode Golem is legal in: Legacy, Vintage, Commander.

Geode Golem

Q: What type of card is Geode Golem?

Geode Golem is an Artifact Creature — Golem. Its oracle text reads: "Trample Whenever this creature deals combat damage to a player, you may cast your commander from the command zone without paying its mana cost. (You still pay any additional costs.)"

Artifact Creature — Golem

Trample

Whenever this creature deals combat damage to a player, you may cast your commander from the command zone without paying its mana cost. (You still pay any additional costs.)

Set Commander Masters

Rarity Uncommon

Mana Value 5

Artist Yeong-Hao Han

Collector # 386

Scryfall Gatherer