Flying, trample, haste, protection from black

Spirit of the Night has first strike as long as it's attacking.

You may choose not to untap Spirit Shield during your untap step.

, : Target creature gets +0/+2 for as long as Spirit Shield remains tapped.

Whenever Spiritmonger deals damage to a creature, put a +1/+1 counter on Spiritmonger.

: Regenerate Spiritmonger.

: Spiritmonger becomes the color of your choice until end of turn.

Whenever a spell or ability an opponent controls causes you to discard a card, you gain 2 life and you may draw a card.

At the beginning of each player's upkeep, if that player controls a Plains, they gain 1 life.

Until end of turn, whenever target creature deals damage, you gain that much life.

Draw a card.

Spite of Mogis deals damage to target creature equal to the number of instant and sorcery cards in your graveyard. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

: Each player loses 1 life.

At the beginning of your upkeep, Spiteful Bully deals 3 damage to target creature you control.

Enchant creature

Whenever enchanted creature is dealt damage, it deals that much damage to its controller.

Whenever Spitemare is dealt damage, it deals that much damage to any target.

Flying

: Spitting Drake gets +1/+0 until end of turn. Activate only once each turn.

Reach (This creature can block creatures with 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.)

Create a token that's a copy of target creature.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Whenever Spitting Slug blocks or becomes blocked, you may pay . If you do, Spitting Slug gains first strike until end of turn. Otherwise, each creature blocking or blocked by Spitting Slug gains first strike until end of turn.

First strike

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.)

Enchant creature

Enchanted creature has ": Create a token that's a copy of this creature, except it has haste. Exile that token at the beginning of the next end step."

: 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.)

, : Prevent the next 2 damage that would be dealt to any target this turn.

For each artifact or creature card in target opponent's graveyard, add and you gain 1 life.

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.

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

At the beginning of your upkeep, put a spore counter on Spore Flower.

Remove three spore counters from Spore Flower: Prevent all combat damage that would be dealt this turn.

Graft 2 (This creature enters with two +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.)

: Regenerate target creature with a +1/+1 counter on it.

Landfall — Whenever a land you control enters, create a 1/1 green Saproling creature token.

At the beginning of your upkeep, you may put a fungus counter on target nontoken creature.

Whenever a creature with a fungus counter on it dies, create a 1/1 green Saproling creature token for each fungus counter on that creature.

When Sporogenesis leaves the battlefield, remove all fungus counters from all creatures.

Flying

Enchant Swamp

When enchanted land becomes tapped, destroy it.

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

Enchant land

When Spreading Seas enters, draw a card.

Enchanted land is an Island.

You gain 8 life.

Whenever Springjack Knight attacks, clash with an opponent. If you win, target creature gains double strike until end of turn. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Chroma — When Springjack Shepherd enters, create a 0/1 white Goat creature token for each white mana symbol in the mana costs of permanents you control.

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.

When Sprouting Thrinax dies, create three 1/1 green Saproling creature tokens.

Spur Grappler gets +2/+1 as long as you control no untapped lands.

Tap two untapped Beasts you control: Target creature gains first strike until end of turn.

Flying

When Squadron Hawk enters, you may search your library for up to three cards named Squadron Hawk, reveal them, put them into your hand, then shuffle.

Flying

, : Tap target creature.

: Squallmonger deals 1 damage to each creature with flying and each player. Any player may activate this ability.

Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with Squeaking Pie Grubfellows, you may reveal it. If you do, each opponent discards a card.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

When Squealing Devil enters, you may pay . If you do, target creature gets +X/+0 until end of turn.

When Squealing Devil enters, sacrifice it unless was spent to cast it.

Enchant creature

Enchanted creature gets +2/+2.

When enchanted creature dies, return that card to its owner's hand.

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

Counter target activated ability. (Mana abilities can't be targeted.)

Draw a card.

: Reveal a card in your hand, covering the artist credit. Target opponent guesses the artist. If they guess wrong, create a 1/1 green Squirrel creature token.

Enchant land

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

, Sacrifice a land: Create two 1/1 green Squirrel creature tokens.

, Sacrifice a land: Squirrel creatures get +1/+1 until end of turn.