Spinerock Tyrant
Creature — Dragon
Wither (This deals damage to creatures in the form of -1/-1 counters.)
Whenever you cast an instant or sorcery spell with a single target, you may copy it. If you do, those spells gain wither. You may choose new targets for the copy.
Legal in
Standard, Pioneer, Modern, Legacy, Vintage, Commander, Brawl, Historic, Alchemy
Rulings (6)
Any damage dealt to creatures by a source with wither, whether it's combat damage or noncombat damage, is dealt in the form of -1/-1 counters.
2025-11-17
If the spell that's copied is modal (that is, it says "Choose one —" or the like), the copy will have the same mode or modes. You can't choose different ones.
2025-11-17
If the spell that's copied has an X whose value was determined as it was cast, the copy will have the same value of X.
2025-11-17
You can't choose to pay any additional costs for the copy. However, effects based on any additional costs that were paid for the original spell are copied as though those same costs were paid for the copy too.
2025-11-17