Energy Flux [Summer Magic / Edgar] Serra Collectors’ Edition Type: Enchantment —

Collectors’ Edition Type: Enchantment — Aura Uncommon Cost: {B} Enchant land Enchanted land is a Swamp

Set: Mystery Booster Type: Instant Rarity: Rare Cost: {5}{W} Double target player's life total

Set: Portal Type: Sorcery Rare Cost: {2}{G} Green creatures you control gain forestwalk until end of turn

If you revealed a card but didn't put it onto the battlefield

Then if you control eight or more artifacts with the same name as one another

Energy Flux [Summer Magic / Edgar] Serra Collectors’ Edition Type: Enchantment —Set: Summer Magic Edgar Type: Enchantment Uncommon Cost: {2}{U} All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {2}."