Vigilance, reach

Whenever an instant or sorcery spell is cast during your turn, Sentinel Tower deals damage to any target equal to 1 plus the number of instant and sorcery spells cast before that spell this turn.

Flash

Enchant creature

Enchanted creature gets +1/+2 and has vigilance.

Addendum — When Sentinel's Mark enters the battlefield, if you cast it during your main phase, enchanted creature gains lifelink until end of turn.

Landfall — Whenever a land enters the battlefield under your control,

Augment (, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Whenever Serpentine Basilisk deals combat damage to a creature, destroy that creature at end of combat.

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

: Serpentine Kavu gains haste until end of turn.

Deathtouch

Whenever Servant of the Stinger deals combat damage to a player, if you've committed a crime this turn, you may sacrifice Servant of the Stinger. If you do, search your library for a card, put it into your hand, then shuffle. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Create a 4/4 green Beast creature token.

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

Exchange control of two target lands.

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.)

Spree (Choose one or more additional costs.)

+ — Exchange control of two target creatures.

+ — Exchange control of two target artifacts.

+ — Exchange control of two target enchantments.

Enchant creature

Enchanted creature has haste and "At the beginning of your upkeep, destroy this creature. Reveal cards from the top of your library until you reveal a creature card. Put that card onto the battlefield and attach Shifting Shadow to it, then put all other cards revealed this way on the bottom of your library in a random order."

Slivers can't be blocked except by Slivers.

Sigil of Distinction enters the battlefield with X charge counters on it.

Equipped creature gets +1/+1 for each charge counter on Sigil of Distinction.

Equip—Remove a charge counter from Sigil of Distinction.

Flying

Whenever Silent Sentinel attacks, you may return target enchantment card from your graveyard to the battlefield.

You may cast Silver Scrutiny as though it had flash if X is 3 or less.

Draw X cards.

When Skyshroud Sentinel enters the battlefield, you may search your library for up to three cards named Skyshroud Sentinel, reveal them, put them into your hand, then shuffle.

Slurrk, All-Ingesting enters the battlefield with five +1/+1 counters on it.

Whenever Slurrk or another creature you control dies, if it had a +1/+1 counter on it, put a +1/+1 counter on each creature you control that has a +1/+1 counter on it.

Partner (You can have two commanders if both have partner.)

Smiting Helix deals 3 damage to any target and you gain 3 life.

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

Flash

Enchant creature

Enchanted creature gets -2/-0. It gets -6/-0 instead as long as its controller has seven or more cards in their graveyard.

When Soulstinger enters the battlefield, put two -1/-1 counters on target creature you control.

When Soulstinger dies, you may put a -1/-1 counter on target creature for each -1/-1 counter on Soulstinger.

Protection from multicolored (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything multicolored.)

Whenever a nonbasic land enters the battlefield under an opponent's control, you gain 1 life.

Flying

: Spitting Drake gets +1/+0 until end of turn. Activate only once each turn.

Reach (This creature can block creatures with flying.)

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

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

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Whenever Spitting Slug blocks or becomes blocked, you may pay . If you do, Spitting Slug gains first strike until end of turn. Otherwise, each creature blocking or blocked by Spitting Slug gains first strike until end of turn.

Choose one —

• Target player discards two cards.

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

As an additional cost to cast this spell, sacrifice an artifact.

Create two tapped Powerstone tokens. If the sacrificed artifact was legendary, draw a card. (The tokens are artifacts with ": Add . This mana can't be spent to cast a nonartifact spell.")

Kicker (You may pay an additional as you cast this spell.)

When Sprouting Goblin enters the battlefield, if it was kicked, search your library for a land card with a basic land type, reveal it, put it into your hand, then shuffle.

, , Sacrifice a land: Draw a card.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Choose one —

• Create a 2/2 green and white Elf Knight creature token with vigilance.

• Destroy target artifact or enchantment.

Search your library for a basic land card, reveal that card, put it into your hand, then shuffle.

Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Vigilance

Eternalize (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Human Cleric with no mana cost. Eternalize only as a sorcery.)

Flash

Flying

When Stingblade Assassin enters the battlefield, destroy target creature an opponent controls that was dealt damage this turn.

Reach

When Stingerfling Spider enters the battlefield, you may destroy target creature with flying.

Deathtouch

Descend 4 — Whenever Stinging Cave Crawler attacks, if there are four or more permanent cards in your graveyard, you draw a card and you lose 1 life.

, : Stinging Licid loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay to end this effect.

Whenever enchanted creature becomes tapped, Stinging Licid deals 2 damage to that creature's controller.

When this creature enters the battlefield, target creature an opponent controls gets -1/-1 until end of turn.

You draw X cards and you lose X life, where X is the mana value of a commander you own on the battlefield or in the command zone.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Stingscourger enters the battlefield, return target creature an opponent controls to its owner's hand.

Giant spells you cast cost less to cast.

Whenever equipped creature attacks, roll a six-sided die. That creature gets +X/+0 until end of turn, where X is the result. Then if it has the greatest power or is tied for greatest power among creatures on the battlefield, draw a card.

Equip

Counter target spell and Suffocating Blast deals 3 damage to target creature.

Vigilance (Attacking doesn't cause this creature to tap.)

First strike

Ripple 4 (When you cast this spell, you may reveal the top four cards of your library. You may cast spells with the same name as this spell from among those cards without paying their mana costs. Put the rest on the bottom of your library.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I — Target creature you control gains indestructible for as long as you control Tale of Tinúviel.

II — Return target creature card from your graveyard to the battlefield.

III — Up to two target creatures you control each gain lifelink until end of turn.

Kicker (You may pay an additional as you cast this spell.)

When Taunting Arbormage enters the battlefield, if it was kicked, all creatures able to block target creature this turn do so.

All creatures able to block Taunting Elf do so.

Sliver creatures you control have "When this creature enters the battlefield, goad target creature an opponent controls." (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

As long as you control a Teferi planeswalker, Teferi's Sentinel gets +4/+0.

, : Tempting Licid loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay to end this effect.

All creatures able to block enchanted creature do so.

When Tempting Wurm enters the battlefield, each opponent may put any number of artifact, creature, enchantment, and/or land cards from their hand onto the battlefield.