Reverse Polarity [Foreign Black Border] Naga Shaman Set: Modern Masters 2015 Type:

Set: Modern Masters 2015 Type: Sorcery — Arcane Rarity: Uncommon Cost: {2}{B}{B} As an additional cost to cast this spell

Set: Alara Reborn Type: Artifact Creature — Angel Rarity: Rare Cost: {5}{W}{W}{U} Flying

You may choose not to untap Sand Silos during your untap step

destroy it at end of combat

Set: Commander 2014 Type: Artifact Creature — Construct Rarity: Uncommon Cost: {3} When Cathodion dies

Reverse Polarity [Foreign Black Border] Naga Shaman Set: Modern Masters 2015 Type:Set: Foreign Black Border Type: Instant Rarity: Uncommon Cost: {W}{W} You gain X life, where X is twice the damage dealt to you so far this turn by artifacts.