First printed in Legends (1994)
Rust 
Instant
Counter target activated ability from an artifact source. (Mana abilities can't be targeted.)
Legality
- Legal in
- Legacy, Vintage, Pauper, Old School 93/94, Commander, Duel Commander, Pauper Commander, PreDH, Tiny Leaders, Oathbreaker
- Not legal in
- Standard, Pioneer, Modern, Future Standard, Historic, Timeless, Alchemy, Penny Dreadful, Premodern, Gladiator, Brawl, Standard Brawl, Competitive Brawl
