Zendikar Resurgent [Oath of the Gatewatch Prerelease Promos] Human Artificer where X is the number

where X is the number of Rats you control

By isolating liquid aether at room temperature

you may put a Goblin permanent card from your hand onto the battlefield

The same is true for artifacts and enchantments

Set: Shadowmoor Type: Enchantment Rarity: Rare Cost: {4}{W} If you would gain life

Zendikar Resurgent [Oath of the Gatewatch Prerelease Promos] Human Artificer where X is the numberSet: Oath of the Gatewatch Prerelease Promos Type: Enchantment Rarity: Rare Cost: {5}{G}{G} Whenever you tap a land for mana, add one mana of any type that land produced. (The types of mana are white, blue, black, red, green, and colorless.) Whenever you cast a creature spell, draw a card.