Whenever a creature is exiled from the battlefield, put a +1/+1 counter on Soulherder.

At the beginning of your end step, you may exile another target creature you control, then return that card to the battlefield under its owner's control.

Whenever another creature enters, you may gain 1 life.

Create a 1/1 green Wolf creature token. It has "This creature gets +1/+1 for each card named Sound the Call in each graveyard."

Whenever you cast a spell with an odd mana value, convert Soundwave. If you do, create Ravage, a legendary 3/3 black Robot artifact creature token with menace and deathtouch.

Whenever you cast a spell with an even mana value, convert Soundwave. If you do, create Laserbeak, a legendary 2/2 blue Robot artifact creature token with flying and hexproof.

, : Destroy target red permanent.

2 — Skulk (This creature can't be blocked by creatures with greater power.)

3 — Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)

2 — 3/2

5 — 6/8

When Spara's Adjudicators enters, target creature an opponent controls can't attack or block until your next turn.

, Exile Spara's Adjudicators from your hand: Target land gains ": Add , , or " until Spara's Adjudicators is cast from exile. You may cast Spara's Adjudicators for as long as it remains exiled.

(: Add , , or .)

Spara's Headquarters enters tapped.

Cycling (, Discard this card: Draw a card.)

You may have Spark Double enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

Flying

When Sparktongue Dragon enters, you may pay . When you do, it deals 3 damage to any target.

Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Cohort — , Tap an untapped Ally you control: Tap target creature.

: Add .

, , Sacrifice Spawning Bed: Create three 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add ."

Creatures you control get +1/+1.

, : Destroy target creature that dealt damage to you this turn.

Put a double strike counter on target creature, then goad each creature that had a double strike counter put on it this way. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Enchant creature

Enchanted creature gets +2/+2 and has protection from each color. This effect doesn't remove Auras. (It can't be blocked, targeted, or dealt damage by anything that's white, blue, black, red, or green.)

Enchant creature

Enchanted creature gets -2/-0.

If Spectral Binding would be put into a graveyard from anywhere, exile it instead.

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 Spectral Gateguards is paired with another creature, both creatures have vigilance.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Enchant creature

Enchanted creature gets +0/+2 and can't be the target of spells.

Counter target spell. Create X Treasure tokens, where X is that spell's mana value. (They're artifacts with ", Sacrifice this artifact: Add one mana of any color.")

Whenever Spellbinding Soprano attacks, instant and sorcery spells you cast this turn cost less to cast.

Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Flying

Whenever Spellbound Dragon attacks, draw a card, then discard a card. Spellbound Dragon gets +X/+0 until end of turn, where X is the discarded card's mana value.

Whenever you cast a noncreature spell, put a +1/+1 counter on Spellgorger Weird.

Return target creature card from your graveyard to your hand.

Spellmorph (You may cast this card face down as a 2/2 creature for . Cast it any time for its spellmorph cost.)

Spells that target Spellwild Ouphe cost less to cast.

Flying

Whenever Sphinx Ambassador deals combat damage to a player, search that player's library for a card, then that player chooses a card name. If you searched for a creature card that doesn't have that name, you may put it onto the battlefield under your control. Then that player shuffles.

This spell can't be countered.

Flying

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

Instant and sorcery spells you control can't be countered.

Flying

At the beginning of each of your postcombat main phases, there is an additional beginning phase after this phase. (The beginning phase includes the untap, upkeep, and draw steps.)

Whenever you cast an instant or sorcery spell, you may put a charge counter on Sphinx-Bone Wand. If you do, Sphinx-Bone Wand deals damage equal to the number of charge counters on it to any target.

Flying

Inspired — Whenever Sphinx's Disciple becomes untapped, draw a card.

You may cast Spider Climb as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.

Enchant creature

Enchanted creature gets +0/+3 and has reach. (It can block creatures with flying.)

Create a 1/2 green Spider creature token with reach for each creature card in your graveyard.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Creatures you control get +0/+1 and have reach. (They can block creatures with flying.)

When Spiderwig Boggart enters, target creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Spike Breeder enters with three +1/+1 counters on it.

, Remove a +1/+1 counter from Spike Breeder: Put a +1/+1 counter on target creature.

, Remove a +1/+1 counter from Spike Breeder: Create a 1/1 green Spike creature token.

Spike Feeder enters with two +1/+1 counters on it.

, Remove a +1/+1 counter from Spike Feeder: Put a +1/+1 counter on target creature.

Remove a +1/+1 counter from Spike Feeder: You gain 2 life.

( can be paid with either or 2 life.)

: Reveal a card you own from outside the game that has been banned or restricted in a Constructed format and put it into your hand.

When you unlock this door, create three 1/1 red Devil creature tokens with "When this creature dies, it deals 1 damage to any target."

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Equipped creature gets +3/+3.

Whenever equipped creature attacks, you may sacrifice a Forest. If you do, that creature gains trample until end of turn.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Spikefield Hazard deals 1 damage to any target. If a permanent dealt damage this way would die this turn, exile it instead.

Flying

Sacrifice Spiketail Drake: Counter target spell unless its controller pays .

Spike-Tailed Ceratops can block an additional creature each combat.

Flying

At the beginning of your upkeep, sacrifice Spindrift Drake unless you pay .

When Spined Fluke enters, sacrifice a creature.

: Regenerate Spined Fluke.

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

Whenever Spined Megalodon attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

( can be paid with either or 2 life.)

Flying

When Spineseeker Centipede enters, search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Delirium — Spineseeker Centipede gets +1/+2 and has vigilance as long as there are four or more card types among cards in your graveyard.

Trample

When Spinewoods Paladin enters, you gain 3 life.

Plot (You may pay and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Visit — Tap target creature an opponent controls.

Lights — 2, 3, 6