: Splintering Wind deals 1 damage to target creature. Create a 1/1 green Splinter creature token. It has flying and "Cumulative upkeep ." When it leaves the battlefield, it deals 1 damage to you and each creature you control. (At the beginning of its controller's upkeep, that player puts an age counter on it, then sacrifices it unless they pay its upkeep cost for each age counter on it.)

When Split Screen enters, shuffle your library and deal it into four libraries. If anything refers to your library, choose one of your libraries for it.

Play with your libraries' top cards revealed.

When Split Screen leaves the battlefield, shuffle your libraries together.

Exile up to five target permanent cards from your graveyard and separate them into two piles. An opponent chooses one of those piles. Put that pile into your hand and the other into your graveyard. (Piles can be empty.)

When Splitskin Doll enters, draw a card. Then discard a card unless you control another creature with power 2 or less.

Choose one —

• Target player discards two cards.

• Target player reveals their hand. You choose a card from it. That player discards that card.

As an additional cost to cast this spell, sacrifice an artifact.

Create two tapped Powerstone tokens. If the sacrificed artifact was legendary, draw a card. (The tokens are artifacts with ": Add . This mana can't be spent to cast a nonartifact spell.")

Target creature you control gets +1/+0 until end of turn for each mana from a Treasure that was spent to cast this spell. Then that creature deals damage equal to its power to target creature an opponent controls.

Search your library for a Plains, Island, Swamp, Mountain, or Forest card and put that card onto the battlefield. Then shuffle.

As an additional cost to cast this spell, sacrifice a creature.

Spontaneous Combustion deals 3 damage to each creature.

Create a 1/1 green Saproling creature token for each card in your hand.

Domain — Create a 1/1 green Saproling creature token for each basic land type among lands you control.

Each other creature you control that's a Fungus or Saproling gets +1/+1.

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.)

Defender

Spore Chimney — When Sporocyst enters, search your library for up to X basic land cards, put them onto the battlefield tapped, then shuffle.

At the beginning of your upkeep, put a spore counter on Sporoloth Ancient.

Creatures you control have "Remove two spore counters from this creature: Create a 1/1 green Saproling creature token."

Flying

When Spotter Thopter enters, scry X, where X is its power.

//PRT-Prototype_Mech//

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

2/3

Gain control of target creature you don't control until end of turn. Untap that creature. It gains haste until end of turn.

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

You gain 8 life.

Threshold — Springing Tiger gets +2/+2 as long as seven or more cards are in your graveyard.

: Add .

, : Create a 0/1 white Goat creature token.

, Sacrifice X Goats: Add X mana of any one color. You gain X life.

Springmantle Cleric enters with a +1/+1 counter on it for each color of mana spent to cast it.

Sprinting Warbrute attacks each combat if able.

Dash (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

Flying

Other creatures you control with flying get +0/+1.

: Other creatures you control with flying get +1/+0 until end of turn.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)

Create a 1/1 green Saproling creature token.

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

When Sprouting Goblin enters, if it was kicked, search your library for a land card with a basic land type, reveal it, put it into your hand, then shuffle.

, , Sacrifice a land: Draw a card.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Choose one —

• Create a 2/2 green and white Elf Knight creature token with vigilance.

• Destroy target artifact or enchantment.

Search your library for a basic land card, reveal that card, put it into your hand, then shuffle.

Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Equipped creature gets +1/+1 and has all names of nonlegendary creature cards in addition to its name.

Equip

Spymaster's Vault enters tapped unless you control a Swamp.

: Add .

, : Target creature you control connives X, where X is the number of creatures that died this turn. (Draw X cards, then discard X cards. Put a +1/+1 counter on that creature for each nonland card discarded this way.)

Flying

, : Tap target creature.

: Prevent the next 1 damage that would be dealt to target creature this turn.

When CARDNAME enters the battlefield, gain control of target creature an opponent controls until CARDNAME leaves the battlefield or that player pays the ransom.

Ransom — and 2 life

Enchant land

Enchanted land has ": Create a 1/1 green Squirrel creature token."

When Squirrel Squatters enters, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.)

Whenever Squirrel Squatters attacks, create a 1/1 green Squirrel creature token that's tapped and attacking for each Attraction you've visited this turn.

Visit — You have five seconds to stack dice on top of one another. If you stack at least five dice, claim the prize

Prize — Create a 1/1 green Squirrel creature token for each die you stacked above the fourth, then sacrifice Squirrel Stack and open an Attraction.

Lights — 2, 4, 6

Visit — You have five seconds to stack dice on top of one another. If you stack at least five dice, claim the prize

Prize — Create a 1/1 green Squirrel creature token for each die you stacked above the fourth, then sacrifice Squirrel Stack and open an Attraction.

Lights — 3, 4, 6

Visit — You have five seconds to stack dice on top of one another. If you stack at least five dice, claim the prize

Prize — Create a 1/1 green Squirrel creature token for each die you stacked above the fourth, then sacrifice Squirrel Stack and open an Attraction.

Lights — 4, 5, 6

Create three 1/1 colorless Servo artifact creature tokens.

You may cast a spell with mana value 3 or less from your hand without paying its mana cost.

Target creature gets -1/-1 until end of turn. Tap that creature.

At the beginning of each opponent's upkeep, that player loses 1 life for each card fewer than three in their hand.

When Stadium Vendors enters, choose a player. That player adds two mana of any one color they choose.

: Untap Staff of Domination.

, : You gain 1 life.

, : Untap target creature.

, : Tap target creature.

, : Draw a card.

At the beginning of your upkeep, draw a card.

: Staff of Nin deals 1 damage to any target.

Whenever you cast a black spell or a Swamp you control enters, you gain 1 life.

As Staff of the Letter Magus enters, choose a consonant other than N, R, S, or T.

Whenever a player casts a spell, you gain 1 life for each time the chosen letter appears in that spell's name.

When Staff of the Storyteller enters, create a 1/1 white Spirit creature token with flying.

Whenever you create one or more creature tokens, put a story counter on Staff of the Storyteller.

, , Remove a story counter from Staff of the Storyteller: Draw a card.

Whenever you cast a green spell or a Forest you control enters, you gain 1 life.

, : Target creature gets -2/-0 until end of turn.

Stag Beetle enters with X +1/+1 counters on it, where X is the number of other creatures on the battlefield.

Enchant creature

Enchanted creature gets +1/+1 and has lifelink and "Whenever this creature deals combat damage to a player, draw a card."

Staggershock deals 2 damage to any target.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)