Face-down creatures get +1/+1. 2U: Turn target face-down creature face up.
Flash (You may cast this spell any time you could cast an instant.) Flying Whenever this creature attacks, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to that card's mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)
1: Return target land you control to its owner’s hand. 1, Discard a land card: Draw a card.
Whenever a creature an opponent controls becomes the target of a spell or ability you control, gain control of that creature for as long as you control Willbreaker.
Return all nonland permanents to their owners’ hands. If you return four or more nontoken permanents you control this way, you may put a permanent card from your hand onto the battlefield.
You may have Wall of Stolen Identity enter as a copy of any creature on the battlefield, except it’s a Wall in addition to its other types and has defender. When you do, tap the copied creature and it doesn’t untap during its controller’s untap step for as long as you control Wall of Stolen Identity.
You may choose not to untap Callous Oppressor during your untap step. As Callous Oppressor comes into play, an opponent chooses a creature type. T: Gain control of target creature that isn't of the chosen type as long as Callous Oppressor remains tapped.
If Clambassadors damages any player, choose an artifact, creature, or land you control. That player gains control of that artifact, creature, or land.
Choose a creature type other than Legend or Wall. Each creature's type becomes that type until end of turn.
Whenever Elvish Mariner attacks, scry 1. Whenever you scry, tap up to X target nonland permanents, where X is the number of cards looked at while scrying this way.
Flying Haughty Djinn's power is equal to the number of instant and sorcery cards in your graveyard. Instant and sorcery spells you cast cost 1 less to cast.
Flash When Venser, Shaper Savant enters the battlefield, return target spell or permanent to its owner's hand.
Ward 2 You may look at the top card of your library any time. The top card of your library has plot. The plot cost is equal to its mana cost. You may plot nonland cards from the top of your library.
Whenever you cast an instant or sorcery spell, create an X/X colorless Construct artifact creature token, where X is that spell's converted mana cost. 3UU, Exile Metallurgic Summonings: Return all instant and sorcery cards from your graveyard to your hand. Activate this ability only if you control six or more artifacts.