Tidy Conclusion [Mystery Booster] San Diego Comic-Con 2014 destroy the monster immediately with

destroy the monster immediately with this card's effect without applying damage calculation

but some are too big to be kept

each creature blocking it gets -1/-1 until end of turn

you may exile another target permanent you control

also your opponent cannot activate cards or effects when a monster is Fusion Summoned this way

Tidy Conclusion [Mystery Booster] San Diego Comic-Con 2014 destroy the monster immediately withSet: Mystery Booster Type: Instant Rarity: Common Cost: {3}{B}{B} Destroy target creature. You gain 1 life for each artifact you control. Aetherborn patrons use any means necessary to secure victory for their protgs.