mtg.wtf

When Siona, Captain of the Pyleas enters, look at the top seven cards of your library. You may reveal an Aura card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Whenever an Aura you control becomes attached to a creature you control, create a 1/1 white Human Soldier creature token.

Look at the top two cards of target opponent's library. Exile one of them face down and put the other on the bottom of that library. You may play the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.
Flashback {1}{U}{B}

At the beginning of each end step, each player discards their hand.

Devoid
Whenever a land an opponent controls enters, that player exiles the top two cards of their library and you draw two cards.

Flying
Inspired — Whenever Siren of the Silent Song becomes untapped, each opponent discards a card, then each opponent mills a card.

[+1]: Until your next turn, creatures can't attack you or planeswalkers you control unless their controller pays 2 life for each of those creatures.
[–3]: Search your library for a Dragon card, reveal it, put it into your hand, then shuffle.
[–7]: Destroy all non-Dragon creatures.
Sivitri, Dragon Master can be your commander.

First strike
Whenever Skanos, Red Dragon Vassal attacks, another target attacking creature gains first strike and gets +X/+0 until end of turn, where X is Skanos's power.

Lifelink
Whenever Skanos, White Dragon Vassal attacks, another target attacking creature gains lifelink and gets +X/+0 until end of turn, where X is Skanos's power.

{R}{G}: Creatures you control gain trample until end of turn.
{1}{R}{G}: Target land you control becomes a 4/4 Elemental creature until end of turn. It's still a land.

{T}: Add {C}.
{R}{G}, {T}: Target creature gets +1/+1 and gains trample until end of turn.

Bloodthirst 3
{1}, Sacrifice Skarrgan Skybreaker: It deals damage equal to its power to any target.

When you control no Islands, sacrifice Skeleton Ship.
{T}: Put a -1/-1 counter on target creature.

Skeletonize deals 3 damage to target creature. When a creature dealt damage this way dies this turn, create a 1/1 black Skeleton creature token with "{B}: Regenerate this creature."

Skull Rend deals 2 damage to each opponent. Those players each discard two cards at random.

Exploit
Whenever a creature you control exploits a nontoken creature, create a 2/2 black Zombie creature token.

Exploit
Whenever a creature you control exploits a creature, create a 2/2 black Zombie creature token.

Flying
Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, surveil 1.

Flying
When Sky Hussar enters, untap all creatures you control.
Forecast — Tap two untapped white and/or blue creatures you control, Reveal Sky Hussar from your hand: Draw a card.

Flying, first strike

Skybridge Towers enters tapped.
{T}: Add {W} or {U}.
{2}{W}{U}, {T}, Sacrifice Skybridge Towers: Draw a card.

Flying
Skycat Sovereign gets +1/+1 for each other creature you control with flying.
{2}{W}{U}: Create a 1/1 white Cat Bird creature token with flying.

{2}, {T}, Sacrifice Skycloud Egg: Add {W}{U}. Draw a card.

{1}, {T}: Add {W}{U}.