Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
This creature can't attack unless there is a Mountain on the battlefield.
5/5
Legalities
tlrnot legal
duellegal
brawlnot legal
pennylegal
PreDHnot legal
Rulings · 2
wotc
It doesn't matter who controls the Mountain.
wotc
If the only Mountains on the battlefield leave the battlefield after Glacial Crasher attacks, it stays attacking.
Notes
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