mtg.wtf

{T}: Choose a player. That player adds one mana of any color they choose.

When you planeswalk to Spectrox Mines and at the beginning of your upkeep, you lose 3 life and create a Treasure token.
Whenever chaos ensues, create a Food token and a 2/2 black Human Rogue creature token.

Magecraft — Whenever you cast or copy an instant or sorcery spell, put a book counter on Spell Satchel.
{T}, Remove a book counter from Spell Satchel: Add {C}.
{3}, {T}, Remove three book counters from Spell Satchel: Draw a card.

Magecraft — Whenever you cast or copy an instant or sorcery spell, put a book counter on Spell Satchel.
{T}, Remove a book counter from Spell Satchel: Add {C}.
{2}, {T}, Remove two book counters from Spell Satchel: Draw a card.

Devoid
Counter target spell unless its controller pays {4}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Imprint — When Spellbinder enters the battlefield, you may exile an instant card from your hand.
Whenever equipped creature deals combat damage to a player, you may copy the exiled card. If you do, you may cast the copy without paying its mana cost.
Equip {4}

You have no maximum hand size.

Imprint — When Spellweaver Helix enters the battlefield, you may exile two target sorcery cards from a single graveyard.
Whenever a player casts a card, if it has the same name as one of the cards exiled with Spellweaver Helix, you may copy the other. If you do, you may cast the copy without paying its mana cost.

Spells cost {1} more to cast.

Sphere of the Suns enters the battlefield tapped and with three charge counters on it.
{T}, Remove a charge counter from Sphere of the Suns: Add one mana of any color.

Whenever you cast an instant or sorcery spell, you may put a charge counter on Sphinx-Bone Wand. If you do, Sphinx-Bone Wand deals damage equal to the number of charge counters on it to any target.

Equipped creature gets +0/+2 and has reach.
Equip {2}

Flash
{5}, {T}, Sacrifice Spiked Pit Trap: Choose target creature, then roll a d20.
1—9 | Spiked Pit Trap deals 5 damage to that creature.
10—20 | Spiked Pit Trap deals 5 damage to that creature. Create a Treasure token.

Spikefield Cave enters the battlefield tapped.
{T}: Add {R}.

When Spine of Ish Sah enters the battlefield, destroy target permanent.
When Spine of Ish Sah is put into a graveyard from the battlefield, return Spine of Ish Sah to its owner's hand.

Hideaway 4
Spinerock Knoll enters the battlefield tapped.
{T}: Add {R}.
{R}, {T}: You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.

{T}: Add one mana of any color.
{5}, {T}: Tap target creature.

Visit — Tap target creature an opponent controls.

Spire Garden enters the battlefield tapped unless you have two or more opponents.
{T}: Add {R} or {G}.

{T}: Add {C}.
{T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

Spirebluff Canal enters the battlefield tapped unless you control two or fewer other lands.
{T}: Add {U} or {R}.

{T}: Add {C}.
{T}: Untap target attacking creature an opponent controls and remove it from combat.

You may choose not to untap Spirit Shield during your untap step.
{2}, {T}: Target creature gets +0/+2 for as long as Spirit Shield remains tapped.

{T}: Add {R}.
{2}{R}, {T}: Spitfire Bastion deals 3 damage to any target.

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.