Flying, trample

Spellheart Chimera's power is equal to the number of instant and sorcery cards in your graveyard.

Counter target instant or sorcery spell. Its controller reveals cards from the top of their library until they reveal an instant or sorcery card. That player may cast that card without paying its mana cost. Then the player shuffles.

: Change a target of target spell or ability to Spellskite. ( can be paid with either or 2 life.)

Whenever an opponent casts a spell, that player sacrifices a permanent of their choice unless they pay .

Imprint — When Spellweaver Helix enters, you may exile two target sorcery cards from a single graveyard.

Whenever a player casts a card, if it has the same name as one of the cards exiled with Spellweaver Helix, you may copy the other. If you do, you may cast the copy without paying its mana cost.

Spells that target Spellwild Ouphe cost less to cast.

If a black source would deal damage to you, prevent 2 of that damage.

If an artifact would deal damage to you, prevent 1 of that damage.

Spells cost more to cast.

Sphere of the Suns enters tapped and with three charge counters on it.

, Remove a charge counter from Sphere of the Suns: Add one mana of any color.

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.

Kicker (You may pay an additional as you cast this spell.)

Flying

When Sphinx of Lost Truths enters, draw three cards. Then if it wasn't kicked, discard three cards.

Flying

Discard two nonland cards with the same name: Draw four cards.

Flying

When Sphinx of Uthuun enters, reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Flying

When Sphinx Summoner enters, you may search your library for an artifact creature card, reveal it, put it into your hand. then shuffle.

Flying

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

You gain X life and draw X cards.

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 Colony enters with four +1/+1 counters on it.

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

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.

Haste

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

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

Remove a +1/+1 counter from Spike Soldier: Spike Soldier gets +2/+2 until end of turn.

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

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

, Remove a +1/+1 counter from Spike Weaver: Prevent all combat damage that would be dealt this turn.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

, : Spikeshot Goblin deals damage equal to its power to any target.

Flying

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

: Target creature can't block Spin Engine this turn.

Cast this spell only during combat.

Untap target creature you don't control and gain control of it. It gains haste until end of turn. At the beginning of the next end step, sacrifice it. If you do, you gain life equal to its toughness.

Sunburst (This enters with a +1/+1 counter on it for each color of mana spent to cast it.)

Remove two +1/+1 counters from Spinal Parasite: Remove a counter from target permanent.

Whenever Spincrusher blocks, put a +1/+1 counter on it.

Remove a +1/+1 counter from Spincrusher: Spincrusher can't be blocked this turn.

When Spine of Ish Sah enters, destroy target permanent.

When Spine of Ish Sah is put into a graveyard from the battlefield, return Spine of Ish Sah to its owner's hand.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Whenever a Sliver becomes blocked, that Sliver gets +1/+1 until end of turn for each creature blocking it.

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Spinerock Knoll enters tapped.

: Add .

, : You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.

You may exile the top three black cards of your graveyard rather than pay this spell's mana cost.

Spinning Darkness deals 3 damage to target nonblack creature. You gain 3 life.

Metalcraft — Spiraling Duelist has double strike as long as you control three or more artifacts.

Spire Barrage deals damage to any target equal to the number of Mountains you control.

Flash (You may cast this spell any time you could cast an instant.)

Flying

Defender

Metalcraft — As long as you control three or more artifacts, Spire Serpent gets +2/+2 and can attack as though it didn't have defender.

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Spirespine blocks each combat if able.

Enchanted creature gets +4/+1 and blocks each combat if able.

Enchant creature

You control enchanted creature.

Enchanted creature gets +2/+2 and has flying.

Shadow (This creature can block or be blocked by only creatures with shadow.)

Forecast — , Reveal Spirit en-Dal from your hand: Target creature gains shadow until end of turn. (Activate only during your upkeep and only once each turn.)

Tap target untapped creature you control. If you do, it deals damage equal to its power to target attacking or blocking creature an opponent controls.

Flashback—, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant creature you control

Whenever enchanted creature deals damage, you gain that much life.

When Spirit Loop is put into a graveyard from the battlefield, return Spirit Loop to its owner's hand.

At the beginning of your upkeep, if there are no Reflection tokens on the battlefield, create a 2/2 white Reflection creature token.

: Destroy target Reflection.

Flying

You have hexproof. (You can't be the target of spells or abilities your opponents control.)