Exchange control of target artifact you control and target artifact or creature you don't control.

Enchant creature or Vehicle

As long as enchanted permanent is a Vehicle, it's a creature in addition to its other types.

Enchanted creature gets +3/+0 and has first strike.

When Signature Spells enters the battlefield, seek two instant and/or sorcery cards with mana value 3, then exile them.

At the beginning of your upkeep, you may copy a card exiled with Signature Spells. You may cast the copy without paying its mana cost.

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 .

Simic Guildgate enters the battlefield tapped.

: Add or .

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

, Remove one or more +1/+1 counters from Simic Manipulator: Gain control of target creature with power less than or equal to the number of +1/+1 counters removed this way.

Sinuous Predator can't be blocked by more than one creature.

Sisay, Weatherlight Captain gets +1/+1 for each color among other legendary permanents you control.

: Search your library for a legendary permanent card with mana value less than Sisay's power, put that card onto the battlefield, then shuffle.

As an additional cost to cast this spell, exile two creature cards from your graveyard.

Trample

Trample

Bloodrush — , Discard Skarrg Goliath: Target attacking creature gets +9/+9 and gains trample until end of turn.

Flying

, Sacrifice a creature: Regenerate Skeletal Kathari.

Trample, haste

When Skitterbeam Battalion enters the battlefield, if you cast it, create two tokens that are copies of it.

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

2/2

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

Whenever Skullsnatcher deals combat damage to a player, exile up to two target cards from that player's graveyard.

Flying

Skycat Sovereign gets +1/+1 for each other creature you control with flying.

: Create a 1/1 white Cat Bird creature token with flying.

Flying, first strike (This creature can't be blocked except by creatures with flying or reach, and it deals combat damage before creatures without first strike.)

Flying

At the beginning of combat on your turn, you may pay . When you do, put a +1/+1 counter on another target creature you control, and that creature gains flying until end of turn.

Level up (: Put a level counter on this. Level up only as a sorcery.)

LEVEL 1-2

2/2

Flying

LEVEL 3+

4/2

Flying

Whenever Slate Street Ruffian becomes blocked, defending player discards a card.

Trample

Whenever Slith Predator deals combat damage to a player, put a +1/+1 counter on it.

, : Until your next turn, target creature an opponent controls can't be blocked. Goad that creature. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

When Smelt-Ward Gatekeepers enters the battlefield, if you control two or more Gates, gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn.

Whenever a player casts a black spell, you may pay . If you do, target player loses 1 life.

Devoid (This card has no color.)

Flying

At the beginning of your upkeep, sacrifice a creature.

Whenever you sacrifice a creature, draw a card.

: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

If Soldevi Excavations would enter the battlefield, sacrifice an untapped Island instead. If you do, put Soldevi Excavations onto the battlefield. If you don't, put it into its owner's graveyard.

: Add .

, : Scry 1.

Target player can't play lands this turn.

Draw a card at the beginning of the next turn's upkeep.

You may play an additional land on each of your turns.

Whenever you cast a spell, draw two cards.

At the beginning of your end step, discard your hand.

Flying

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

Flying

, Return a land you control to its owner's hand: Draw a card, then discard a card.

Flying

, Return a land you control to its owner's hand: Target creature with power 2 or less can't be blocked this turn.

Flying

, Return a land you control to its owner's hand: Target creature you control gains shroud until end of turn. (It can't be the target of spells or abilities.)

Flying

, Return two lands you control to their owner's hand: Discard all the cards in your hand, then draw that many cards.

Flash

When Soul Enervation enters the battlefield, target creature gets -4/-4 until end of turn.

Whenever one or more creature cards leave your graveyard, each opponent loses 1 life and you gain 1 life.

When Soul of Emancipation enters the battlefield, destroy up to three other target nonland permanents. For each of those permanents, its controller creates a 3/3 white Angel creature token with flying.

, , Sacrifice Soul Separator: Exile target creature card from your graveyard. Create a token that's a copy of that card, except it's 1/1, it's a Spirit in addition to its other types, and it has flying. Create a black Zombie creature token with power equal to that card's power and toughness equal to that card's toughness.

Flying

Whenever a creature with flying dies, put a +1/+1 counter on Soulcatcher.

Enchant two creatures

Enchanted creatures each get +1/+1 and have hexproof.

When one of the enchanted creatures dies, destroy the other.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Flying

Whenever this creature mutates, gain control of target noncreature artifact.

Squad (As an additional cost to cast this spell, you may pay any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.)

Grav-cannon — When Space Marine Devastator enters the battlefield, destroy up to one target artifact or enchantment.

Choose target creature. Exile the top card of your library. You may have Spark of Creativity deal damage to that creature equal to the exiled card's mana value. If you don't, you may play that card until end of turn.

( represents colorless mana.)

Target creature gets +3/-3 until end of turn.

Spawning Breath deals 1 damage to any target. Create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add ."

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. 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.

Magecraft — Whenever you cast or copy an instant or sorcery spell, put a book counter on Spell Satchel.

, Remove a book counter from Spell Satchel: Add .

, , Remove three book counters from Spell Satchel: Draw a card.

Sphere of Annihilation enters the battlefield with X void counters on it.

At the beginning of your upkeep, exile Sphere of Annihilation, all creatures and planeswalkers with mana value less than or equal to the number of void counters on it, and all creature and planeswalker cards in graveyards with mana value less than or equal to the number of void counters on it.

Spike Hatcher enters the battlefield with six +1/+1 counters on it.

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

, Remove a +1/+1 counter from Spike Hatcher: Regenerate Spike Hatcher.

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

Reach

When Spinnerette, Arachnobat enters the battlefield, open an Attraction.

As long as you control three or more Attractions, Spinnerette gets +2/+0 and has menace.

Whenever Spireside Infiltrator becomes tapped, it deals 1 damage to each opponent.