Ball Lightning [The Dark] Dragon [x2] Set: Scars of Mirrodin Type:

Set: Scars of Mirrodin Type: Artifact Rarity: Uncommon Cost: {2} {T}: Target permanent becomes an artifact in addition to its other types until end of turn

I'm more like a stimulator of the local economy

Set: 2015 Mega-Tins Mega Pack Card type: Normal Trap Rarity: Super Rare Target 5 "Noble Knight" monsters in your Graveyard

you must Tribute 1 Dragon-Type monster on your side of the field

Ball Lightning [The Dark] Dragon [x2] Set: Scars of Mirrodin Type:Set: The Dark Type: Creature Elemental Rarity: Rare Cost: {R}{R}{R} Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Haste (This creature can attack and {T} as soon as it comes under your control.) At the beginning of the end step, sacrifice Ball Lightning.