Maelstrom Pulse (Topper) [Ultimate Masters Box Topper] Magic Player Rewards 2009 these devices doubled the output

these devices doubled the output of Amrit Vatyam's forges

Set: Beta Edition Type: Enchantment — Aura Rarity: Common Cost: {1}{U} Enchant land

There the gwyllions dance

return to its owner's hand each creature that player controls with power greater than the number of cards in their hand

Set: Core Set 2019 Prerelease Promos Type: Creature — Dinosaur Rarity: Rare Cost: {1}{G}{G} Whenever an opponent activates an ability of a creature or land that isn't a mana ability

Maelstrom Pulse (Topper) [Ultimate Masters Box Topper] Magic Player Rewards 2009 these devices doubled the outputSet: Ultimate Masters Box Topper Type: Sorcery Rarity: Mythic Cost: {1}{B}{G} Destroy target nonland permanent and all other permanents with the same name as that permanent.