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.
Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "T, Sacrifice this artifact: Add one mana of any color.")
Flying 1, Return a land you control to its owner’s hand: Create a 1/1 blue Illusion creature token with flying.
Whenever you draw a card, target opponent puts the top two cards of his or her library into his or her graveyard. If they're both nonland cards that share a color, repeat this process. 5U: Draw a card, then discard a card.
Whenever Riptide Entrancer deals combat damage to a player, you may sacrifice it. If you do, gain control of target creature that player controls. (This effect doesn't end at end of turn.) Morph UU (You may play this face down as a 2/2 creature for 3. Turn it face up any time for its morph cost.)
Flash (You may play this spell any time you could play an instant.) When Venser, Shaper Savant comes into play, return target spell or permanent to its owner's hand.
When Slithermuse leaves play, choose an opponent. If that player has more cards in hand than you, draw cards equal to the difference. Evoke 3U (You may play this spell for its evoke cost. If you do, it's sacrificed when it comes into play.)
Affinity for artifacts (This spell costs 1 less toplay for each artifact you control.) Draw two cards.
Flash When Dress Down enters the battlefield, draw a card. Creatures lose all abilities. At the beginning of the end step, sacrifice Dress Down.
Flying You have no maximum hand size. Whenever a creature token you control deals combat damage to a player, draw a card.
Artifacts you control have hexproof. (They can’t be the targets of spells or abilities your opponents control.) At the beginning of your upkeep, if you control the artifact with the highest mana value or tied for the highest mana value, draw a card.
Flash Creature cards you own that aren’t on the battlefield have flash. Each opponent can cast spells only any time they could cast a sorcery.
{U}{U}, Sacrifice a Wizard: Counter target spell. Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
Choose a creature type. If you control more creatures of that type than each other player, you gain control of all creatures of that type. (This effect lasts indefinitely.)