Reverse Polarity [Foreign Black Border] Naga Shaman {T}: Search your library for

{T}: Search your library for a Rebel permanent card with mana value 2 or less

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

destroy it at end of combat

Set: Lorwyn Type: Creature — Treefolk Druid Rarity: Uncommon Cost: {G} When Treefolk Harbinger enters the battlefield

Set: Planeshift Type: Instant Rarity: Common Cost: {1}{U} Counter target spell that targets a creature

Reverse Polarity [Foreign Black Border] Naga Shaman {T}: Search your library forSet: 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.