mtg.wtf

When Sin Collector enters the battlefield, target opponent reveals their hand. You choose an instant or sorcery card from it and exile that card.

Menace
At the beginning of your upkeep, reveal the top card of your library. Any opponent may have you put that card into your graveyard. If a player does, Sin Prodder deals damage to that player equal to that card's mana value. Otherwise, put that card into your hand.

When Singe-Mind Ogre enters the battlefield, target player reveals a card at random from their hand, then loses life equal to that card's mana value.

Flash
When Singer of Swift Rivers enters the battlefield, put a shield counter on another target creature you control.
You may cast Merfolk spells as though they had flash.

{T}: Target attacking creature has base power 0 until end of turn.

Each player chooses a creature or planeswalker they control, then sacrifices the rest. Players can't cast creature or planeswalker spells until the end of your next turn.

Counter target spell.
Surveil 1.

Choose three target creature cards in your graveyard. Return two of them at random to the battlefield and put the other on the bottom of your library.

Sweep — Return any number of Swamps you control to their owner's hand. Target player discards a card for each Swamp returned this way.

Enchant creature
Enchanted creature doesn't untap during its controller's untap step.
Enchanted creature has "{1}, Put a -1/-1 counter on this creature: Untap this creature."

Enchant player
At the beginning of your upkeep, put a judgment counter on Sinner's Judgment. Then if there are three or more judgment counters on it, enchanted player loses the game.
If Sinner's Judgment would be put into a graveyard from anywhere, exile it instead.

Until end of turn, you may cast target instant or sorcery card from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. Exile Sins of the Past.

Enchant creature
Enchanted creature has "{T}: This creature deals damage equal to its power to target attacking or blocking creature."

When Sinuous Benthisaur enters the battlefield, look at the top X cards of your library, where X is the number of Caves you control plus the number of Cave cards in your graveyard. Put two of those cards into your hand and the rest on the bottom of your library in a random order.

{U}: Sinuous Striker gets +1/-1 until end of turn.
Eternalize—{3}{U}{U}, Discard a card.

When Siona, Captain of the Pyleas enters the battlefield, 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.

Destroy target creature. Its controller loses 2 life.

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

Devoid
Whenever a land enters the battlefield under an opponent's control, that player exiles the top two cards of their library and you draw two cards.

Flying
Whenever you cast a Spirit or Arcane spell, you may draw a card.

Flying
When Siren Lookout enters the battlefield, it explores.

Raid — This spell costs {1} less to cast if you attacked this turn.
Flying

Flying
Tribute 3
When Siren of the Fanged Coast enters the battlefield, if tribute wasn't paid, gain control of target creature.

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