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

You may have Spinebiter assign its combat damage as though it weren't blocked.

Flying

Whenever a nontoken creature enters the battlefield under your control, you may pay . If you do, create a 1/1 white Spirit creature token with flying.

, Sacrifice a Spirit: Target non-Spirit creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

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 this ability 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.)

Each player can't draw more than one card each turn.

When Spirit of the Season enters the battlefield, it gains haste if it's summer. Put a +1/+1 counter on it if it's autumn. You gain 5 life if it's winter. If it's spring, search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.

Enchant creature

Whenever enchanted creature becomes tapped, put a -0/-2 counter on it.

: Target green or blue creature gets +0/+1 until end of turn.

Creatures and lands you control have shroud. (They can't be the targets of spells or abilities.)

When a creature you control attacks, sacrifice Spiritual Asylum.

When Spiritual Guardian enters the battlefield, you gain 4 life.

Create a 1/1 colorless Spirit creature token.

Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Spit Flame deals 4 damage to target creature.

Whenever a Dragon enters the battlefield under your control, you may pay . If you do, return Spit Flame from your graveyard to your hand.

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 of your library.)

: Each player loses 1 life.

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

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.)

Whenever Spiteful Returned or enchanted creature attacks, defending player loses 2 life.

Enchanted creature gets +1/+1.

Sliver creatures you control have "Whenever this creature is dealt damage, it deals that much damage to target player or planeswalker."

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

Spitfire Handler can't block creatures with power greater than Spitfire Handler's power.

: Spitfire Handler gets +1/+0 until end of turn.

Spitting Earth deals damage to target creature equal to the number of Mountains you control.

Spitting Hydra enters the battlefield with four +1/+1 counters on it.

, Remove a +1/+1 counter from Spitting Hydra: It deals 1 damage to target creature.

All Sliver creatures have first strike.

Reach (This creature can block creatures with flying.)

Sacrifice a land: Spitting Spider deals 1 damage to each creature with flying.

When Split Screen enters the battlefield, 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.

Choose one —

• Target player discards two cards.

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

Destroy target artifact or enchantment. You gain 4 life.

Flying

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

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

Flying

: Add .

, , Sacrifice a Cleric creature: You gain life equal to the sacrificed creature's toughness.

, , Sacrifice a Cleric creature: Target player loses life equal to the sacrificed creature's power.

Flying

: Steel Hellkite gets +1/+0 until end of turn.

: Destroy each nonland permanent with converted mana cost X whose controller was dealt combat damage by Steel Hellkite this turn. Activate this ability only once each turn.

Prowl (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Goblin or Rogue.)

Whenever a Rogue you control attacks and isn't blocked, it gets +2/+1 until end of turn.

Return target creature card from your graveyard to your hand.

Threshold — Return that card from your graveyard to the battlefield instead if seven or more cards are in your graveyard.

Stitched Mangler enters the battlefield tapped.

When Stitched Mangler enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

, : Create a 2/2 blue Homunculus creature token, then sacrifice a creature.

When Stitcher's Supplier enters the battlefield or dies, put the top three cards of your library into your graveyard.

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

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Stone Spirit can't be blocked by creatures with flying.

Haste

Storm Entity enters the battlefield with a +1/+1 counter on it for each other spell cast this turn.

Until end of turn, creatures you control get +2/+2 and gain "Whenever this creature deals combat damage to a player or planeswalker, destroy target artifact or enchantment defending player controls."

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

Flying

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Cycling—Pay 2 life. (Pay 2 life, Discard this card: Draw a card.)

Each player chooses a card in their hand. Then each player reveals their chosen card. The owner of each creature card revealed this way with the lowest converted mana cost puts it onto the battlefield.

When Student of Elements has flying, flip it.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Exchange control of target noncreature spell and target creature. Then the spell's controller may choose new targets for it.

Destroy target artifact or land.