Arcane Sanctum (Retro) [The Brothers' War Commander] SPA Espina de amatista Set: Commander 2011 Type: Instant

Set: Commander 2011 Type: Instant Uncommon Cost: {1}{W} Prevent all combat damage that would be dealt this turn

Set: The List Type: Creature — Elemental Rarity: Rare Cost: {5}{G}{G} This spell can't be countered

Spirit Minion Common Cost: {1}{B}{B} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp

where X is the number of players who control at least two more lands than you

When Ancestral Knowledge leaves the battlefield

Arcane Sanctum (Retro) [The Brothers' War Commander] SPA Espina de amatista Set: Commander 2011 Type: InstantSet: The Brothers' War Commander Type: Land Rarity: Uncommon Arcane Sanctum enters the battlefield tapped. {T}: Add {W}, {U}, or {B}. "We must rely on our own knowledge, not on the dogma of the seekers or the mutterings of the sphinxes." Tullus of Palandius