Is Frostfist Strider legal in Standard, Modern, and Commander?

Frostfist Strider is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

What type of card is Frostfist Strider?

Frostfist Strider is a Creature — Elemental Giant. Its oracle text reads: "Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) When this creature 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.) Power/Toughness: 4/4"

Frostfist Strider

Creature — Elemental Giant

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

When this creature 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.)

Power/Toughness: 4/4

Set Dominaria United

Rarity Uncommon

Mana Value 5

Artist Francisco Miyara

Collector # 51

Scryfall