Worldwake - 雙色變身地 - 魔法風雲會

http://forums.mtgsalvation.com/showthread.php?t=204793

Celestial Colonnade
Land
Rare
Celestial Colonnade enters the battlefield tapped.
{T}: Add {W} or {U} to your mana pool.
{3}{W}{U}: Until end of turn, Celestial Colonnade becomes a 4/4 white
and blue Elemental creature with flying and vigilance. It's still a
land.

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