负极兽 
(Cathodion)
神器生物 ～魔像 - 组构体
不去制作会被热所损伤的工具，索蓝王国改去建造可以此来充能者。
Power/Toughness:
3/3Artist:
IzzyShare:
Text:
当负极兽死去时，加
到你的法术力池中。
Rulings:
- 10/4/2004 The ability is never a mana ability.
- 1/25/2011 You get the mana whether you want it or not. If you don’t spend it, it will disappear at the end of the current step (or phase).
Legality:
- standard: Not legal
- future: Not legal
- frontier: Not legal
- modern: Legal
- legacy: Legal
- pauper: Legal
- vintage: Legal
- penny: Legal
- commander: Legal
- 1v1: Legal
- duel: Legal
- brawl: Not legal
- oldschool: Not legal
- historic: Not legal
- pioneer: Not legal
- gladiator: Not legal
- premodern: Legal
- historicbrawl: Not legal
- paupercommander: Legal
- alchemy: Not legal
- explorer: Not legal
- predh: Legal
- oathbreaker: Legal
- timeless: Not legal
- standardbrawl: Not legal
