{U}: Target creature becomes an artifact in addition to its other types until end of turn. {U}: Until end of turn, target artifact creature becomes blue and isn't an artifact.
Enchant permanent When Psychic Overload enters, tap enchanted permanent. Enchanted permanent doesn't untap during its controller's untap step. Enchanted permanent has "Discard two artifact cards: Untap this permanent."
As an additional cost to cast this spell, sacrifice an artifact. Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.
Choose one — • Look at the top five cards of target opponent's library, then put them back in any order. • Look at the top five cards of your library, then put them back in any order. Entwine {U}
At the beginning of your upkeep, sacrifice a permanent. Whenever Greater Harvester deals combat damage to a player, that player sacrifices two permanents of their choice.
Mephitic Ooze gets +1/+0 for each artifact you control. Whenever Mephitic Ooze deals combat damage to a creature, destroy that creature. The creature can't be regenerated.
In Mephidross, refuse doesn't last long—it's all scavenged, reanimated, or consumed.
Target player reveals three cards from their hand and you choose one of them. That player discards that card. Then if that player has more cards in hand than you, return Pulse of the Dross to its owner's hand.