Worn Powerstone (Borderless) [The Lost Caverns of Ixalan Commander] Robot Dog Set: Fifth Edition Type: Sorcery

Set: Fifth Edition Type: Sorcery Rarity: Common Cost: {1}{G} Search your library for a Forest card and put that card onto the battlefield

Set: Magic 2010 Type: Enchantment Rarity: Rare Cost: {3}{B}{B} Whenever you gain life

(It can't be blocked as long as defending player controls a Mountain

Set: New Phyrexia Type: Artifact Rarity: Uncommon Cost: {2} At the beginning of your upkeep or whenever you cast a red spell

Worn Powerstone (Borderless) [The Lost Caverns of Ixalan Commander] Robot Dog Set: Fifth Edition Type: SorcerySet: The Lost Caverns of Ixalan Commander Type: Artifact Rarity: Uncommon Cost: {3} Worn Powerstone enters the battlefield tapped. {T}: Add {C}{C}. "The strange energy source isn't cosmium after all, but some unidentifiable material that has leached cosmium residue from the walls. Could be dangerous. Could change everything." Oltec archaeological survey