Diamond Lion
Artifact Creature — Cat
, Discard your hand, Sacrifice Diamond Lion: Add three mana of any one color. Activate only as an instant.
2/2Legalities
- brawl: banned
- commander: legal
- legacy: legal
- modern: legal
- pauper: legal
- pioneer: banned
- standard: banned
- vintage: legal
Rulings
- 2021-06-18:
Even though you can only activate this as an instant, it is still a mana ability. It doesn’t use the stack and cannot be responded to.
- 2021-06-18:
You can’t cast an instant (or activate an ability as an instant) while casting a spell. Therefore, much like Lion’s Eye Diamond, you can’t activate the ability intending to use the mana to cast a spell from your hand.