Fathom Mage [Gatecrash] Plains these devices doubled the output

these devices doubled the output of Amrit Vatyam's forges

Set: Judgment Type: Sorcery Rarity: Rare Cost: {1}{G} You may choose a creature or land card you own from outside the game

{T}: Exile any number of cards from your hand face down

Set: Guilds of Ravnica Type: Creature — Beast Rarity: Mythic Cost: {2}{G}{G} Hexproof

Fathom Mage [Gatecrash] Plains these devices doubled the outputSet: Gatecrash Type: Creature Human Wizard Rarity: Rare Cost: {2}{G}{U} Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1 +1 counter on this creature.) Whenever a +1 +1 counter is put on Fathom Mage, you may draw a card.