Simic Growth Chamber enters the battlefield tapped.

When Simic Growth Chamber enters the battlefield, return a land you control to its owner's hand.

: Add .

( can be paid with either or .)

: Move a +1/+1 counter from target creature onto another target creature with the same controller.

: Attach target Aura attached to a permanent to another permanent with the same controller.

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.

Flying, trample

Shroud (This creature can't be the target of spells or abilities.)

When Simulacrum Synthesizer enters the battlefield, scry 2.

Whenever another artifact with mana value 3 or greater enters the battlefield under your control, create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control."

, : Tap target creature.

Corrupted — , : Tap target creature. Activate only if an opponent has three or more poison counters.

Counter target spell.

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Choose three target creature cards in your graveyard. Return two of them at random to the battlefield and put the other on the bottom of your library.

Until end of turn, you may cast target instant or sorcery card from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. Exile Sins of the Past.

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

Devoid (This card has no color.)

Whenever a land enters the battlefield under an opponent's control, that player exiles the top two cards of their library and you draw two cards.

Raid — This spell costs less to cast if you attacked this turn.

Flying

Cast this spell only during an opponent's turn, before attackers are declared.

Creatures the active player controls attack this turn if able.

At the beginning of the next end step, destroy all non-Wall creatures that player controls that didn't attack this turn. Ignore this effect for each creature the player didn't control continuously since the beginning of the turn.

Enchant creature

When Sisay's Ingenuity enters the battlefield, draw a card.

Enchanted creature has ": Target creature becomes the color of your choice until end of turn."

Medicus Ministorum — When Sister Hospitaller enters the battlefield, return target creature card from your graveyard to the battlefield. You gain life equal to its mana value.

Sisterhood of Karn enters the battlefield with a +1/+1 counter on it.

Paradox — Whenever you cast a spell from anywhere other than your hand, double the number of +1/+1 counters on Sisterhood of Karn.

: Add .

+1: Until your next turn, creatures can't attack you or planeswalkers you control unless their controller pays 2 life for each of those creatures.

−3: Search your library for a Dragon card, reveal it, put it into your hand, then shuffle.

−7: Destroy all non-Dragon creatures.

Sivitri, Dragon Master can be your commander.

If you control a Plains, you may tap an untapped creature you control rather than pay this spell's mana cost.

All damage that would be dealt to target creature this turn is dealt to you instead.

Sizzling Barrage deals 4 damage to target creature that blocked this turn.

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

Flying

You may cast Skaab Ruinator from your graveyard.

When Skalla Wolf enters the battlefield, look at the top five cards of your library. You may reveal a green card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Trample

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

: Add .

, : Target creature gets +1/+1 and gains trample until end of turn.

Riot (This creature enters the battlefield with your choice of a +1/+1 counter or haste.)

Flying

: Skarrgan Hellkite deals 2 damage divided as you choose among one or two targets. Activate only if Skarrgan Hellkite has a +1/+1 counter on it.

Bloodthirst 3 (If an opponent was dealt damage this turn, this creature enters the battlefield with three +1/+1 counters on it.)

, Sacrifice Skarrgan Skybreaker: It deals damage equal to its power to any target.

Changeling (This card is every creature type.)

: Regenerate Skeletal Changeling.

Enchant creature

Enchanted creature gets +1/+1 and has ": Regenerate this creature."

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

You draw X cards and you lose X life.

Each Skeleton you control has trample, attacks each combat if able, and gets +X/+0, where X is the number of other Skeletons you control.

At the beginning of your end step, create a tapped 1/1 black Skeleton creature token. If a creature died this turn, create two of those tokens instead.

: Regenerate Skeletal Wurm.

Skeleton Scavengers enters the battlefield with a +1/+1 counter on it.

Pay for each +1/+1 counter on Skeleton Scavengers: Regenerate Skeleton Scavengers. When it regenerates this way, put a +1/+1 counter on it.

Whenever another nontoken Elf or Berserker you control dies, you draw a card and you lose 1 life.

When Skemfar Shadowsage enters the battlefield, choose one —

• Each opponent loses X life, where X is the greatest number of creatures you control that have a creature type in common.

• You gain X life, where X is the greatest number of creatures you control that have a creature type in common.

Enchant creature

Enchanted creature attacks each combat if able.

When enchanted creature dies, return Skin Invasion to the battlefield transformed under your control.

Flying

Discard a card: Add .

Whenever Skirk Commando deals combat damage to a player, you may have it deal 2 damage to target creature that player controls.

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

Protection from red

Tap five untapped Goblins you control: Skirk Fire Marshal deals 10 damage to each creature and each player.

Skirk Shaman can't be blocked except by artifact creatures and/or red creatures.

, , Sacrifice a creature: Skirsdag Cultist deals 2 damage to any target.

Morbid — , Tap two untapped creatures you control: Create a 5/5 black Demon creature token with flying. Activate only if a creature died this turn.

Flying

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

: Skithiryx, the Blight Dragon gains haste until end of turn.

: Regenerate Skithiryx.

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

: Monstrosity 4. (If this creature isn't monstrous, put four +1/+1 counters on it and it becomes monstrous.)

As long as Skittering Crustacean is monstrous, it has hexproof. (It can't be the target of spells or abilities your opponents control.)

Create five 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add ."

At the beginning of your upkeep, flip a coin. If you lose the flip, turn Skittish Valesk face down.

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

: Skophos Maze-Warden gets +1/-1 until end of turn.

Whenever another creature becomes the target of an ability of a land you control named Labyrinth of Skophos, you may have Skophos Maze-Warden fight that creature. (Each deals damage equal to its power to the other.)

, Sacrifice another creature or an enchantment: Skophos Warleader gets +1/+0 and gains menace until end of turn. (It can't be blocked except by two or more creatures.)

Target player discards a card.

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