Look at the top three cards of your library. Put one of those cards into your hand and the rest on the bottom of your library in any order. If this spell was cast from anywhere other than your hand, put each of those cards into your hand instead.

Reach

When Seed Guardian dies, create an X/X green Elemental creature token, where X is the number of creature cards in your graveyard.

Destroy target artifact or enchantment. If was spent to cast this spell, create two 1/1 green Saproling creature tokens.

Untap all permanents you control during each other player's untap step.

When Seedguide Ash dies, you may search your library for up to three Forest cards, put them onto the battlefield tapped, then shuffle.

When Seedpod Caretaker enters the battlefield, choose one —

• Put a +1/+1 counter on target artifact or creature you control.

• Transform target Incubator token you control.

Undaunted (This spell costs less to cast for each opponent.)

Return up to two target cards from your graveyard to your hand. Exile Seeds of Renewal.

Cast this spell only during your turn.

Take an extra turn after this one if an opponent cast a blue spell this turn.

Choose one at random —

• You get an emblem with "At the beginning of your upkeep, pay . If you don't, you lose the game."

• Each player discards their hand.

• Planeswalk to Pools of Becoming. (Once there, you can roll the planar die only if you're playing Planechase.)

• For each opponent, exile cards from the top of their library until you exile a nonland card. You may cast those cards without paying their mana costs.

• Destroy all creatures and non-Bolas planeswalkers.

• You get an emblem with "You can cast nonland cards from your sideboard."

Exile the top two cards of your library. Until your next end step, you may play those cards.

Look at the top four cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Enchant creature

Enchanted creature can't be blocked except by artifact creatures and/or white creatures.

: Untap target creature.

: Seeker of Sunlight explores. Activate only as a sorcery. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

When Seekers' Squire enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

, , Discard a card: Target player mills three cards.

Landfall — Whenever a land enters the battlefield under your control, you may pay . If you do, draw a card.

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

Target creature gets +3/+0 until end of turn.

Sacrifice an Elemental: Seething Pathblazer gets +2/+0 and gains first strike until end of turn.

Whenever one or more creature cards are put into your graveyard from anywhere, venture into the dungeon. This ability triggers only once each turn. (To venture into the dungeon, enter the first room or advance to the next room.)

Create Undead — Whenever you complete a dungeon, return target creature card from your graveyard to the battlefield.

Whenever Segmented Wurm becomes the target of a spell or ability, put a -1/-1 counter on it.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Discard a land card: Seismic Assault deals 2 damage to any target.

, , Discard a card: Destroy target land.

Seismic Rupture deals 2 damage to each creature without flying.

Seismic Shudder deals 1 damage to each creature without flying.

Creatures without flying can't block this turn.

Seismic Wave deals 2 damage to any target and 1 damage to each nonartifact creature target opponent controls.

Untap target creature. After this main phase, there is an additional combat phase followed by an additional main phase.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

This spell costs less to cast if you've committed a crime this turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Draw two cards.

As an additional cost to cast this spell, discard a card.

Draw two cards and create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Create a red Elemental creature token with trample and "This creature's power and toughness are each equal to the number of instant and sorcery cards in your graveyard plus the number of cards with flashback you own in exile."

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Sejiri Glacier enters the battlefield tapped.

: Add .

Sejiri Refuge enters the battlefield tapped.

When Sejiri Refuge enters the battlefield, you gain 1 life.

: Add or .

Sejiri Steppe enters the battlefield tapped.

When Sejiri Steppe enters the battlefield, target creature you control gains protection from the color of your choice until end of turn.

: Add .

Whenever another nontoken creature you control dies, create a 3/1 black and red Graveborn creature token with haste.

Reveal the top seven cards of your library. Choose from among them a card with flying, a card with first strike, and so on for double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance. Put one of the chosen cards onto the battlefield, the other chosen cards into your hand, and the rest into your graveyard.

Each player chooses a color. Then exile each permanent unless it's colorless or it's only the color its controller chose.

Flying

Pay 2 life: Return Selenia, Dark Angel to its owner's hand.

: Add or .

, , Sacrifice Selesnya Cluestone: Draw a card.

, , Tap an untapped creature you control: Create a 1/1 green Saproling creature token.

: Create a 1/1 green Saproling creature token.

: Creatures you control get +1/+1 until end of turn.

: Add or .

, , Sacrifice Selesnya Locket: Draw two cards.

Selesnya Sanctuary enters the battlefield tapped.

When Selesnya Sanctuary enters the battlefield, return a land you control to its owner's hand.

: Add .

, : Add .

Search your library for a basic land card and reveal it. If there's a tree in its art, put it onto the battlefield tapped. Otherwise, put it into your hand. Then shuffle.

, Sacrifice Selfless Cathar: Creatures you control get +1/+1 until end of turn.

Exile Selfless Glyphweaver: Creatures you control gain indestructible until end of turn.

Sacrifice Selfless Savior: Another target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Flash

When Selfless Squire enters the battlefield, prevent all damage that would be dealt to you this turn.

Whenever damage that would be dealt to you is prevented, put that many +1/+1 counters on Selfless Squire.