mtg.wtf

Flash
Cascade
Reach
When Sweet-Gum Recluse enters the battlefield, put three +1/+1 counters on each of any number of target creatures that entered the battlefield this turn.

Creatures you control get +2/+2 until end of turn.
Reinforce X—{X}{W}{W}

Sweltering Suns deals 3 damage to each creature.
Cycling {3}

Destroy target creature or planeswalker. You lose 2 life.

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

As Swirl the Mists enters the battlefield, choose a color word.
All instances of color words in the text of spells and permanents are changed to the chosen color word.

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

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

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

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.

{1}: Sworn Defender's power becomes the toughness of target creature blocking or being blocked by Sworn Defender minus 1 until end of turn, and Sworn Defender's toughness becomes 1 plus the power of that creature until end of turn.

When Sworn to the Legion enters the battlefield, nontoken creatures you control perpetually gain double team.
Whenever you cast a creature spell, it perpetually gains double team.

Whenever Sylvan Basilisk becomes blocked by a creature, destroy that creature.

Reach
When Sylvan Primordial enters the battlefield, for each opponent, destroy target noncreature permanent that player controls. For each permanent destroyed this way, search your library for a Forest card and put that card onto the battlefield tapped. Then shuffle.

Sylvan Yeti's power is equal to the number of cards in your hand.

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.

When Symbiotic Wurm dies, create seven 1/1 green Insect creature tokens.

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

Improvise
You may have Synth Infiltrator enter the battlefield as a copy of any creature on the battlefield, except it's a Synth artifact creature in addition to its other types.

Exile all creatures you control. At the beginning of the next end step, reveal cards from the top of your library until you reveal that many creature cards, put all creature cards revealed this way onto the battlefield, then shuffle the rest of the revealed cards into your library.

Target player loses 2 life and you gain 2 life.
Retrace

First strike
Whenever Syr Alin, the Lion's Claw attacks, other creatures you control get +1/+1 until end of turn.

Knightlifelink (Damage dealt by Knights you control also causes you to gain that much life.)
{W}: Syr Cadian, Knight Owl gains vigilance until end of turn. Activate only from sunrise to sunset.
{B}: Syr Cadian, Knight Owl gains flying until end of turn. Activate only from sunset to sunrise.

Whenever Syr Carah, the Bold or an instant or sorcery spell you control deals damage to a player, exile the top card of your library. You may play that card this turn.
{T}: Syr Carah deals 1 damage to any target.