First printed in Alchemy: Wilds of Eldraine (2023)
Accident-Prone Apprentice // Amphibian Accident 
Creature — Otter Wizard // Instant — Adventure
Whenever you cast a noncreature spell, Accident-Prone Apprentice perpetually gets +1/+1. This ability also triggers if this card is in exile.
//
Until end of turn, target creature loses all abilities and becomes a blue Frog with base power and toughness 1/1.
Legality
Constructed
- Standard Not legal
- Pioneer Not legal
- Modern Not legal
- Legacy Not legal
- Vintage Not legal
- Pauper Not legal
- Future Standard Not legal
- Historic Legal
- Timeless Legal
- Alchemy Not legal
- Penny Dreadful Not legal
- Premodern Not legal
- Old School 93/94 Not legal
Singleton
- Gladiator Legal
Commander formats
- Commander Not legal
- Duel Commander Not legal
- Pauper Commander Not legal
- PreDH Not legal
- Tiny Leaders Not legal
- Oathbreaker Not legal
- Brawl Legal
- Standard Brawl Not legal
- Competitive Brawl Legal