Timeshifted

Morph {1}{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.) When this creature is turne...

Buyback {5} (You may pay an additional {5} as you cast this spell. If you do, put this card into your hand as it resolves.) Draw a card.

{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 f...

Enchant creature Enchanted creature gets +3/+3. At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that crea...

As this enchantment enters, choose a color. Creatures of the chosen color without flying can't attack you.

Flying White spells and black spells you cast cost {1} less to cast.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) Whenever a player casts a black spell, you gain 1 life.

{T}: Draw a card and reveal it. If it isn't a land card, discard it.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever this creature deals combat damage to a player, ...

Psionic Blast deals 4 damage to any target and 2 damage to you.

{T}: This creature deals 1 damage to any target.

This creature can't attack unless defending player controls an Island. {T}: This creature deals 1 damage to any target. When you control no Islands...

When this creature enters, sacrifice it unless you return three basic lands you control to their owner's hand. {T}, Return this creature to its own...

Flying At the beginning of your upkeep, sacrifice Nicol Bolas unless you pay {U}{B}{R}. Whenever Nicol Bolas deals damage to an opponent, that play...

Flash When this creature enters, counter target spell.

Mistform Ultimus is every creature type (even if this card isn't on the battlefield).

Merieke Ri Berit doesn't untap during your untap step. {T}: Gain control of target creature for as long as you control Merieke Ri Berit. When Merie...

{T}: Destroy target creature with islandwalk.

Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)

Flying, vigilance, haste

Trample This creature enters tapped and doesn't untap during your untap step. At the beginning of your upkeep, you may sacrifice two Islands. If yo...

You may choose not to untap this creature during your untap step. {T}: For as long as this creature remains tapped, target tapped creature doesn't ...

Flying {U}{U}{U}: Regenerate this creature.

Flying