Is Jolting Merfolk legal in Standard, Modern, and Commander?

Jolting Merfolk is legal in: Legacy, Vintage, Commander.

Jolting Merfolk

Q: What type of card is Jolting Merfolk?

Jolting Merfolk is a Creature — Merfolk. Its oracle text reads: "Fading 4 (This creature enters with four fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.) Remove a fade counter from this creature: Tap target creature. Power/Toughness: 2/2"

Creature — Merfolk

Fading 4 (This creature enters with four fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)

Remove a fade counter from this creature: Tap target creature.

Power/Toughness: 2/2

Set Nemesis

Rarity Uncommon

Mana Value 4

Artist Glen Angus

Collector # 34

Scryfall