mtg.wtf

{T}: Add {G} or {W}.
{G}{W}: Selesnya Keyrune becomes a 3/3 green and white Wolf artifact creature until end of turn.

{T}: Add {G} or {W}.
{G/W}{G/W}{G/W}{G/W}, {T}, Sacrifice Selesnya Locket: Draw two cards.

If an effect would create one or more tokens, it creates twice that many of those tokens instead.
If an effect would put one or more counters on a permanent, it puts twice that many of those counters on that permanent instead.
Whenever chaos ensues, until end of turn, whenever you tap a land for mana, add one mana of any type that land produced.

Reach
Selesnya Sagittars can block an additional creature each combat.

{5}{G}: Regenerate Selesnya Sentry.

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

When Self-Assembler enters, you may search your library for an Assembly-Worker creature card, reveal it, put it into your hand, then shuffle.

Target opponent sacrifices a green or white creature. If that player does, they lose 2 life.

Create a token that's a copy of target creature you control.
Flashback {3}{U}

Search your library for a basic land card and reveal it. If there's a tree in its art, put it onto the battlefield tapped. Otherwise, put it into your hand. Then shuffle.

{1}{W}, Sacrifice Selfless Cathar: Creatures you control get +1/+1 until end of turn.

{T}: Exile target creature card from a graveyard. That card deals damage equal to its power to Selfless Exorcist.

Exile Selfless Glyphweaver: Creatures you control gain indestructible until end of turn.

Whenever a Samurai or Warrior you control attacks alone, it gains lifelink until end of turn.
Sacrifice Selfless Samurai: Another target creature you control gains indestructible until end of turn.

Sacrifice Selfless Savior: Another target creature you control gains indestructible until end of turn.

Flying
Sacrifice Selfless Spirit: Creatures you control gain indestructible until end of turn.

Flash
When Selfless Squire enters, prevent all damage that would be dealt to you this turn.
Whenever damage that would be dealt to you is prevented, put that many +1/+1 counters on Selfless Squire.

{T}, Discard a creature card: Draw a card.

Whenever Selhoff Occultist or another creature dies, target player mills a card.

When Selkie Hedge-Mage enters, if you control two or more Forests, you may gain 3 life.
When Selkie Hedge-Mage enters, if you control two or more Islands, you may return target tapped creature to its owner's hand.

When Sell-Sword Brute dies, it deals 2 damage to you.

When Seller of Songbirds enters, create a 1/1 white Bird creature token with flying.

Parley — Each player reveals the top card of their library. For each nonland card revealed this way, you create a 3/3 green Elephant creature token. Then each player draws a card.

Parley — When Selvala's Enforcer enters, each player reveals the top card of their library. For each nonland card revealed this way, put a +1/+1 counter on Selvala's Enforcer. Then each player draws a card.

Council's dilemma — Starting with you, each player votes for wild or free. Reveal cards from the top of your library until you reveal a creature card for each wild vote. Put those creature cards onto the battlefield, then shuffle the rest into your library. You may put a permanent card from your hand onto the battlefield for each free vote.