Timeshifted

{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...

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

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

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

Lands you control are Plains. Nonland permanents you control are white. The same is true for spells you control and nonland cards you own that aren...

{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...

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

{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.)

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

Sacrifice an enchantment: This creature gets +2/+2 until end of turn.

This creature can't attack unless defending player controls an Island. When you control no Islands, sacrifice this creature.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) {1}{W}{W}: Target Knight ...

{T}: This creature deals 1 damage to target player or planeswalker. {1}{W}{W}, {T}: Return target creature an opponent controls to its owner's hand.

First strike As long as this card is in your graveyard and you control a Plains, creatures you control have first strike.

Protection from red Shadow (This creature can block or be blocked by only creatures with shadow.)

At the beginning of your upkeep, sacrifice this enchantment unless you sacrifice a Pegasus. {1}{W}: Create a 1/1 white Pegasus creature token with ...