Mercadia's Downfall
Instant
Each attacking creature gets +1/+0 until end of turn for each nonbasic land defending player controls.
Legalities
- brawl: banned
- commander: legal
- legacy: legal
- modern: legal
- pauper: legal
- pioneer: banned
- standard: banned
- vintage: legal
Rulings
- 2004-10-04:
The creatures that are attacking is determined when this resolves and is not changed later, even if you have another combat phase.