Wrath of Oko 
Sorcery
All creatures loose all abilities and become green Elk creatures with base power and toughness 3/3. (This effect lasts indefinitely. Just like Oko. Unfortunately.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL