地底城水道
地 — 海岛／沼泽
（{T}：加{U}或{B}。）
地底城水道须横置进战场。
当地底城水道进战场时，刺探1。（检视你牌库顶的牌。你可以将其置入你的坟墓场。）
Illustrated by Yeong-Hao Han
- Standard
- Legal
- Alchemy
- Legal
- Pioneer
- Legal
- Explorer
- Legal
- Modern
- Legal
- Historic
- Legal
- Legacy
- Legal
- Brawl
- Legal
- Vintage
- Legal
- Timeless
- Legal
- Commander
- Legal
- Pauper
- Not Legal
- Oathbreaker
- Legal
- Penny
- Not Legal
