Is Waterbender Ascension legal in Standard, Modern, and Commander?

Waterbender Ascension is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Waterbender Ascension

Q: What type of card is Waterbender Ascension?

Waterbender Ascension is an Enchantment. Its oracle text reads: "Whenever a creature you control deals combat damage to a player, put a quest counter on this enchantment. Then if it has four or more quest counters on it, draw a card. Waterbend {4}: Target creature can't be blocked this turn. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for {1}.)"

Enchantment

$0.70 ↗6 similarCommander, Modern

Whenever a creature you control deals combat damage to a player, put a quest counter on this enchantment. Then if it has four or more quest counters on it, draw a card.

Waterbend : Target creature can't be blocked this turn. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for .)