Aether Vial [Darksteel] Conspiracy put one of those cards

put one of those cards on top of your library and the rest on the bottom of your library in any order

Set: Pro Tour Promos Type: Legendary Creature — Dragon Rarity: Rare Cost: {3}{G}{W}{U} Flying

strongest of all

Set: From the Vault: Legends Type: Legendary Creature — Elemental Rarity: Mythic Cost: {2}{G} You don't lose unspent green mana as steps and phases end

put it onto the battlefield

Aether Vial [Darksteel] Conspiracy put one of those cardsSet: Darksteel Type: Artifact Rarity: Uncommon Cost: {1} At the beginning of your upkeep, you may put a charge counter on Aether Vial. {T}: You may put a creature card with converted mana cost equal to the number of charge counters on Aether Vial from your hand onto the battlefield.