腐化墓碑

Text:

腐化墓碑須橫置進戰場。
：選擇你墳墓場中一張牌具有的一種顏色。加一點該色的魔法力到你的魔法力池中。

Rulings:

• 4/8/2016 Colorless cards have no color, so you can’t add <img src="/Handlers/Image.ashx?size=small&amp;name=C&amp;type=symbol" alt="Colorless" align="absbottom" /> to your mana pool this way.
• 4/8/2016 Players can’t respond to mana abilities, so no player can take any action to stop you from getting the color of mana you expect to produce once you announce the ability.