mtg.wtf

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.

{2}{U}, {T}: Each player mills three cards. Exile up to two creature cards put into graveyards this way. Create an X/X blue Zombie creature token, where X is the total power of the cards exiled this way.

{1}{U}, {T}: Create a 2/2 blue Homunculus creature token, then sacrifice a creature.

Equipped creature gets +3/+3.
Whenever equipped creature attacks, it doesn't untap during its controller's next untap step.
Whenever Stitcher's Graft becomes unattached from a permanent, sacrifice that permanent.
Equip {2}

Flying
{1}{U}, Discard two cards: Return Stitchwing Skaab from your graveyard to the battlefield tapped.

Stocking Tiger enters the battlefield with a sealed Magic booster pack under it.
When Stocking Tiger deals combat damage to a player, unwrap the booster pack and put it into your hand.

Metalcraft — This spell costs {1} less to cast if you control three or more artifacts.
Counter target spell.

Flash
Flying
Stoic Sphinx has hexproof as long as you haven't cast a spell this turn.

Target opponent exiles cards from the top of their library until they exile a nonland card. Until end of turn, you may cast that card without paying its mana cost.

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

Return target creature with mana value X to its owner's hand. You create X 1/1 blue Faerie creature tokens with flying.

Spells you cast cost up to {1} less to cast.

When Stone Retrieval Unit enters the battlefield, create a tapped Powerstone token.

If a creature an opponent controls would die, exile it instead.
{2}, {T}, Sacrifice Stone of Erech: Exile target player's graveyard. Draw a card.

Reach, trample, protection from multicolored
Stonecoil Serpent enters the battlefield with X +1/+1 counters on it.

Equipped creature gets +1/+1 for each other creature you control that shares a creature type with it.
Equip {2}

{T}: Add {C}{C}.
{2}, {T}, Sacrifice Stonespeaker Crystal: Exile any number of target players' graveyards. Draw a card.

Stonework Packbeast is also a Cleric, Rogue, Warrior, and Wizard.
{2}: Add one mana of any color.

{1}{U}, {T}: You may tap or untap target creature.

Islandwalk
Merfolk spells and Wizard spells you cast cost {1} less to cast.

Flash
Enchant artifact or creature
When Stop Cold enters the battlefield, tap enchanted permanent.
Enchanted permanent loses all abilities and doesn't untap during its controller's untap step.

As long as Storage Matrix is untapped, each player chooses artifact, creature, or land during their untap step. That player can untap only permanents of the chosen type this step.

Each player may play an additional land during each of their turns.
Whenever a land is tapped for mana, return it to its owner's hand.