Is Confounding Conundrum legal in Standard, Modern, and Commander?

Confounding Conundrum is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Confounding Conundrum

Q: What type of card is Confounding Conundrum?

Confounding Conundrum is an Enchantment. Its oracle text reads: "When this enchantment enters, draw a card. Whenever a land an opponent controls enters, if that player had another land enter the battlefield under their control this turn, they return a land they control to its owner's hand."

Enchantment

When this enchantment enters, draw a card.

Whenever a land an opponent controls enters, if that player had another land enter the battlefield under their control this turn, they return a land they control to its owner's hand.

Set Zendikar Rising

Rarity Rare

Mana Value 2

Artist Bryan Sola

Collector # 53

Scryfall Gatherer