Is Giant Koi legal in Standard, Modern, and Commander?

Giant Koi is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Giant Koi

Q: What type of card is Giant Koi?

Giant Koi is a Creature — Fish. Its oracle text reads: "Waterbend {3}: This 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}.) Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)"

Creature — Fish

$0.12 ↗6 similarCommander, Modern

Waterbend : This 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 .)