Is Solitary Sanctuary legal in Standard, Modern, and Commander?

Solitary Sanctuary is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Solitary Sanctuary

Q: What type of card is Solitary Sanctuary?

Solitary Sanctuary is an Enchantment. Its oracle text reads: "When this enchantment enters, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) Whenever you tap an untapped creature an opponent controls, put a +1/+1 counter on target creature you control."

Enchantment

When this enchantment enters, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Whenever you tap an untapped creature an opponent controls, put a +1/+1 counter on target creature you control.

Set Wilds of Eldraine

Rarity Uncommon

Mana Value 3

Artist Kasia 'Kafis' Zielińska

Collector # 30

Scryfall