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

Destroy target artifact or enchantment.

Target creature gets +2/+2 until end of turn. If you cast this spell during your main phase, that creature gets +4/+4 until end of turn instead.

Destroy target artifact or enchantment with mana value X. It can't be regenerated. You gain X life.

When Nantuko Shaman enters the battlefield, if you control no tapped lands, draw a card.

Suspend 1— (Rather than cast this card from your hand, you may pay and exile it with a time counter on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)

Reach

When Penumbra Spider dies, create a 2/4 black Spider creature token with reach.

Whenever another creature enters the battlefield under your control, that creature gets +3/+3 until end of turn.

Scarwood Treefolk enters the battlefield tapped.

Search your library for a basic land card, put it onto the battlefield, then shuffle.

Suspend 2— (Rather than cast this card from your hand, you may pay and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Spike Tiller enters the battlefield with three +1/+1 counters on it.

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

, Remove a +1/+1 counter from Spike Tiller: Target land becomes a 2/2 creature that's still a land. Put a +1/+1 counter on it.

At the beginning of your upkeep, put a spore counter on each Fungus you control.

Remove three spore counters from Sporesower Thallid: Create a 1/1 green Saproling creature token.

Squall Line deals X damage to each creature with flying and each player.

Until end of turn, target creature gains trample and gets +X/+X, where X is the number of attacking creatures.

Defender

At the beginning of your upkeep, put a spore counter on Thallid Shell-Dweller.

Remove three spore counters from Thallid Shell-Dweller: Create a 1/1 green Saproling creature token.

All Saprolings get +1/+1.

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

When Thelonite Hermit is turned face up, create four 1/1 green Saproling creature tokens.

Domain — Until end of turn, creatures you control gain trample and get +1/+1 for each basic land type among lands you control.

Enchant creature

Enchanted creature gets +3/+3 and has "At the beginning of each upkeep, create a 1/1 green Saproling creature token."

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

Create an X/X green Wurm creature token.

All Slivers have ": Choose a card name. Target opponent reveals a card at random from their hand. If that card has the chosen name, that player discards it. Activate only during your turn."

All Sliver creatures have haste.

All Slivers have ", Sacrifice this permanent: Target Sliver creature gets +2/+2 until end of turn."

All Slivers have "When this permanent enters the battlefield, destroy target artifact or enchantment."

Whenever an opponent casts a spell, Kaervek the Merciless deals damage equal to that spell's mana value to any target.

All Slivers have "Whenever this permanent becomes the target of a spell an opponent controls, you may draw a card."

Flying

: Search your library for a Dragon permanent card and put it into your graveyard. If you do, Scion of the Ur-Dragon becomes a copy of that card until end of turn. Then shuffle.

: Target Assembly-Worker creature gets +1/+1 until end of turn.

, : Reveal the top card of your library. If it has the same name as a card in your graveyard, put it into your graveyard. Otherwise, draw a card.

: Add .

: Chronatog Totem becomes a 1/2 blue Atog artifact creature until end of turn.

: Chronatog Totem gets +3/+3 until end of turn. You skip your next turn. Activate only once each turn and only if Chronatog Totem is a creature.

: Add .

: Foriysian Totem becomes a 4/4 red Giant artifact creature with trample until end of turn.

As long as Foriysian Totem is a creature, it can block an additional creature each combat.

Creatures you control are Slivers in addition to their other creature types.

Spells you cast cost less to cast for each card with the same name as that spell in your graveyard.

As Paradise Plume enters the battlefield, choose a color.

Whenever a player casts a spell of the chosen color, you may gain 1 life.

: Add one mana of the chosen color.

: Add .

, : Add one mana of any color.

Indestructible

As Stuffy Doll enters the battlefield, choose a player.

Whenever Stuffy Doll is dealt damage, it deals that much damage to the chosen player.

: Stuffy Doll deals 1 damage to itself.

Flying

Triskelavus enters the battlefield with three +1/+1 counters on it.

, Remove a +1/+1 counter from Triskelavus: Create a 1/1 colorless Triskelavite artifact creature token with flying. It has "Sacrifice this creature: This creature deals 1 damage to any target."

: Add .

: Weatherseed Totem becomes a 5/3 green Treefolk artifact creature with trample until end of turn.

When Weatherseed Totem is put into a graveyard from the battlefield, if it was a creature, return this card to its owner's hand.

: Add .

, : Put a storage counter on Calciform Pools.

, Remove X storage counters from Calciform Pools: Add X mana in any combination of and/or .

: Add .

When Flagstones of Trokair is put into a graveyard from the battlefield, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand.

: Add . If Gemstone Caverns has a luck counter on it, instead add one mana of any color.

: Add .

, : Put a storage counter on Molten Slagheap.

, Remove X storage counters from Molten Slagheap: Add X mana in any combination of and/or .

: Add .

: Regenerate target Insect, Rat, Spider, or Squirrel. (The next time it would be destroyed, instead tap it, remove it from combat, and heal all damage on it.)

: Add .

, : Create a 2/2 colorless Assembly-Worker artifact creature token.