Silburlind Snapper can't attack unless you've cast a noncreature spell this turn.

: You gain 1 life.

Flying

Devoid (This card has no color.)

Flying

Whenever Silent Skimmer attacks, defending player loses 2 life.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Silent-Blade Oni deals combat damage to a player, look at that player's hand. You may cast a spell from among those cards without paying its mana cost.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Silhana Ledgewalker can't be blocked except by creatures with flying.

When Silhana Wayfinder enters, look at the top four cards of your library. You may reveal a creature or land card from among them and put it on top of your library. Put the rest on the bottom of your library in a random order.

Whenever Silkenfist Fighter becomes blocked, untap it.

Reach

: Silklash Spider deals X damage to each creature with flying.

Flying

, Sacrifice Silkwing Scout: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Creatures with power greater than Silumgar Assassin's power can't block it.

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When Silumgar Assassin is turned face up, destroy target creature with power 3 or less an opponent controls.

Flying

Exploit (When this creature enters, you may sacrifice a creature.)

Whenever another creature you control dies, put a +1/+1 counter on Silumgar Scavenger. It gains haste until end of turn if it exploited that creature.

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When Silumgar Spell-Eater is turned face up, counter target spell unless its controller pays .

Conjure Elemental — : Untap target land you control. It becomes an 8/8 Elemental creature with trample and haste until end of turn. It's still a land.

When Silver Deputy enters, you may search your library for a basic land card or a Desert card, reveal it, then shuffle and put it on top.

: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery.

Flying, trample

: Add .

Flying

Threshold — Other creatures you control get +2/+2 as long as seven or more cards are in your graveyard.

Trample

When Silverback Shaman dies, draw a card.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)

As long as Silverblade Paladin is paired with another creature, both creatures have double strike.

Enrage — Whenever Silverclad Ferocidons is dealt damage, each opponent sacrifices a permanent of their choice.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Ninjutsu abilities you activate cost less to activate.

Other Ninja and Rogue creatures you control get +1/+1.

As an additional cost to cast this spell, reveal a Merfolk card from your hand or pay .

When Silvergill Adept enters, draw a card.

When Silverglade Elemental enters, you may search your library for a Forest card, put that card onto the battlefield, then shuffle.

Whenever Silverpelt Werewolf deals combat damage to a player, draw a card.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Silverpelt Werewolf.

Creature spells you cast have demonstrate. (Whenever you cast a creature spell, you may copy it. If you do, choose an opponent to also copy it. Each copy becomes a token.)

As Silverquill Silencer enters, choose a nonland card name.

Whenever an opponent casts a spell with the chosen name, they lose 3 life and you draw a card.

Flash

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Trample

: Regenerate Silvos, Rogue Elemental.

Discard a land card: Simian Brawler gets +1/+1 until end of turn.

When Simian Simulacrum enters, put two +1/+1 counters on target creature you control.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Exile Simian Spirit Guide from your hand: Add .

Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

, : Move a +1/+1 counter from Simic Fluxmage onto target creature.

Graft 1 (This creature enters with a +1/+1 counter on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.)

: Untap Simic Ragworm.

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

: Draw a card and reveal it. If it isn't a land card, discard it.

All Sliver creatures get +1/+1.

Flash

When Singer of Swift Rivers enters, put a shield counter on another target creature you control. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

You may cast Merfolk spells as though they had flash.

When Sinister Concierge dies, you may exile it and put three time counters on it. If you do, exile up to one target creature and put three time counters on it. Each card exiled this way that doesn't have suspend gains suspend. (For each card with suspend, its owner removes a time counter from it at the beginning of their upkeep. When the last is removed, they may cast it without paying its mana cost. Those creature spells have haste.)

When Sinuous Benthisaur enters, 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.

: Sinuous Striker gets +1/-1 until end of turn.

Eternalize—, Discard a card. (, Discard a card, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Snake Warrior with no mana cost. Eternalize only as a sorcery.)

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.

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

Devoid (This card has no color.)

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

Flying

When Siren Lookout enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Flying

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