Force Spike [Friday Night Magic 2007] Guildpact these devices doubled the output

these devices doubled the output of Amrit Vatyam's forges

Set: Unlimited Edition Type: Sorcery Rarity: Common Cost: {B}{B} Destroy target land

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {X} Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it

Set: Masters 25 Type: Instant Rarity: Uncommon Cost: {R} Choose one —

{T}: Reveal cards from the top of your library until you reveal a basic land card

Force Spike [Friday Night Magic 2007] Guildpact these devices doubled the outputSet: Friday Night Magic 2007 Type: Instant Rarity: Rare Cost: {U} Counter target spell unless its controller pays {1}.