Goblin Welder [Duel Decks: Elves vs. Inventors] Magic 2013 While most power is used

While most power is used for ordinary

Ignore this effect for each creature the player didn't control continuously since the beginning of the turn

then exile any number of them and put the rest back on top of your library in any order

centaur druid

Colossus of Sardia doesn't untap during your untap step

Goblin Welder [Duel Decks: Elves vs. Inventors] Magic 2013 While most power is usedSet: Duel Decks: Elves vs. Inventors Type: Creature Goblin Artificer Rarity: Mythic Cost: {R} {T}: Choose target artifact a player controls and target artifact card in that player's graveyard. If both targets are still legal as this ability resolves, that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield.