Mirrodin's Core [Mystery Booster] SL5 Whenever you cast a creature

Whenever you cast a creature spell with power 7 or greater

{T}: Put a training counter on target creature

Set: Champions of Kamigawa Type: Instant — Arcane Rarity: Rare Cost: {5}{U} Target permanent's controller sacrifices it

During your End Phase: You can target 1 "Traptrix" monster in your GY

Special Summon 1 "Masked Hero" monster from your Extra Deck with the same Attribute that the sent monster had when it was on the field (its original Attribute

Mirrodin's Core [Mystery Booster] SL5 Whenever you cast a creatureSet: Mystery Booster Type: Land Rarity: Uncommon {T}: Add {C}. {T}: Put a charge counter on Mirrodin's Core. {T}, Remove a charge counter from Mirrodin's Core: Add one mana of any color.