Aetherling [Dragon's Maze] SPA Eidolon de flores which serve as both armor

which serve as both armor and weapons

you may reveal a Dragon card from your hand

Sacrifice Lodestone Bauble: Put up to four target basic land cards from a player's graveyard on top of their library in any order

then the chosen permanents phase out

What is etherium but the next logical step

Aetherling [Dragon's Maze] SPA Eidolon de flores which serve as both armorSet: Dragon's Maze Type: Creature Shapeshifter Rare Cost: {4}{U}{U} {U}: Exile Aetherling. Return it to the battlefield under its owner's control at the beginning of the next end step. {U}: Aetherling can't be blocked this turn. {1}: Aetherling gets +1 1 until end of turn. {1}: Aetherling gets 1 +1 until end of turn.