mtg.wtf

Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, you may cast Swift Reckoning as though it had flash.
Destroy target tapped creature.

Flash
When Swift Warden enters the battlefield, target Merfolk you control gains hexproof until end of turn.

Flying
When Swift Warkite enters the battlefield, you may put a creature card with mana value 3 or less from your hand or graveyard onto the battlefield. That creature gains haste. Return it to your hand at the beginning of the next end step.

Swimmer in Nightmares gets +3/+0 as long as there are ten or more cards in a single graveyard.
Swimmer in Nightmares can't be blocked as long as you control an Ashiok planeswalker.

{G/U}{G/U}: Target creature you control becomes the color or colors of your choice until end of turn.

Choose one or both —
• Put target creature on top of its owner's library.
• Return target creature to its owner's hand.

Exchange control of two target creatures.

Flying, vigilance

Flash
Flying
Swooping Protector enters the battlefield with a shield counter on it.

Flying
{1}: Swooping Talon loses flying until end of turn.
Provoke

Commander creatures you own have "Whenever this creature attacks a player, if no opponent has more life than that player, this creature can't be blocked this turn."

Sword Coast Serpent can't be blocked as long as you've cast a noncreature spell this turn.

{W}{W}: Target attacking creature gets -1/-0 until end of turn.

Whenever equipped creature attacks, put a +1/+1 counter on it.
Whenever equipped creature deals combat damage, roll a d12. If the result is greater than the damage dealt or the result is 12, double the number of +1/+1 counters on that creature.
Equip {2}

Flying, vigilance
When Sword-Swallowing Seraph enters the battlefield, you may put a name sticker on a nonland permanent you own.
{1}{W}, {T}: Put a +1/+1 counter on another target creature with a name sticker on it. Activate only as a sorcery.

Whenever you clash and win, you may draw a card.

When Sylvan Hierophant dies, exile Sylvan Hierophant, then return another target creature card from your graveyard to your hand.

Trample
When Sylvan Messenger enters the battlefield, reveal the top four cards of your library. Put all Elf cards revealed this way into your hand and the rest on the bottom of your library in any order.

Target creature gets +2/+2 and gains trample until end of turn.
Flashback {2}{G}{G}

One or more target creatures become green until end of turn.

Exile up to two target artifacts and/or enchantments.
Basic landcycling {2}

Put a +1/+1 counter on target creature you control if you weren't the starting player. Then that creature deals damage equal to its power to target creature you don't control.

For Mirrodin!
Equipped creature gets +4/+4 and has trample.
Equip {5}{G}{G}

When Symbiotic Beast dies, create four 1/1 green Insect creature tokens.

Create a 1/1 colorless Expansion-Symbol creature token for each different expansion symbol among permanents you control.