SURGE FOILCheapest priced copy (Warhammer 40,000 Commander): $1.79 at Card Kingdom, near mint, their price list as of .
The Ruinous Powers 
Enchantment · Rare · Warhammer 40,000 Commander · #139★
At the beginning of your upkeep, choose an opponent at random. Exile the top card of that player's library. Until end of turn, you may play that card and you may spend mana as though it were mana of any color to cast it. When you cast a spell this way, its owner loses life equal to its mana value.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $1.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Warhammer 40,000 Commander | 139 | Rare | $1.79 | — |
| Warhammer 40,000 Commander | 139★ | Rare | — | — |
2 rulings from Wizards of the Coast
- 7 October 2022Use the mana value of the spell as it exists on the stack (or last existed on the stack, if it's been removed) to determine how much life is lost. If there is an {X} in that spell's cost, include the value chosen for X to determine its mana value.
- 7 October 2022You must follow all normal timing rules when casting a spell or playing a land using the permission granted by Ruinous Powers.