Umezawa's Jitte (Grand Prix) [Grand Prix Promos] Dragons of Tarkir Promos these devices doubled the output

these devices doubled the output of Amrit Vatyam's forges

Set: Legends Type: World Enchantment Rarity: Rare Cost: {3}{B} Whenever a player casts a spell

you may return target Angel or Human creature card from your graveyard to the battlefield

You may cast a spell with mana value 3 or less from your hand without paying its mana cost

put the cards in your hand on the bottom of your library in any order

Umezawa's Jitte (Grand Prix) [Grand Prix Promos] Dragons of Tarkir Promos these devices doubled the outputSet: Grand Prix Promos Type: Legendary Artifact Equipment Rarity: Rare Cost: {2} Whenever equipped creature deals combat damage, put two charge counters on Umezawa's Jitte. Remove a charge counter from Umezawa's Jitte: Choose one Equipped creature gets +2 +2 until end of turn. Target creature gets 1 1 until end of turn. You gain 2 life. Equip {2}