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

Loafing Giant is legal in: Legacy, Vintage, Commander.

Loafing Giant

Q: What type of card is Loafing Giant?

Loafing Giant is a Creature — Giant. Its oracle text reads: "Whenever this creature attacks or blocks, mill a card. If a land card was milled this way, prevent all combat damage this creature would deal this turn. *"Forget it. I'm not getting up today."* Power/Toughness: 4/6"

Creature — Giant

Whenever this creature attacks or blocks, mill a card. If a land card was milled this way, prevent all combat damage this creature would deal this turn.

*"Forget it. I'm not getting up today."*

Power/Toughness: 4/6

Set Invasion

Rarity Rare

Mana Value 5

Artist Greg Hildebrandt & Tim Hildebrandt

Collector # 153

Scryfall