Glacial Crasher
Creature — Elemental
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Glacial Crasher can't attack unless there is a Mountain on the battlefield.
Legalities
- brawl: banned
- commander: legal
- legacy: legal
- modern: legal
- pauper: legal
- standard: banned
- vintage: legal
- pioneer: legal
Rulings
- 2014-07-18:
It doesn’t matter who controls the Mountain.
- 2014-07-18:
If the only Mountains on the battlefield leave the battlefield after Glacial Crasher attacks, it stays attacking.