Tap target creature. It can't become untapped for as long as you control a creature named Tidewake Walker.

Search your library for a card with flashback and exile it, then shuffle. You may cast that card this turn. At the beginning of your next end step, if that card is in exile, put it into your graveyard.
Flashback {U}{R}

Target creature you control gets +2/+2 and gains indestructible until end of turn. If it was the target of another spell or ability this turn, create two 1/1 white Bird creature tokens with flying.

Trample
Ruin, the First Shard enters with a +1/+1 counter on it for each mana spent to cast it.

Destroy target artifact or enchantment. If it was a token, you draw a card and gain 2 life.

Flashback costs you pay cost {2} less.
{R}, {T}, Discard a card: Draw a card.

Instant and sorcery spells with mana value 4 or greater you cast cost {1} less to cast.
{U}{R}, Sacrifice Samacris: Return target instant or sorcery card from your graveyard to your hand. The next spell you cast this turn with the same name as that card costs {2} less to cast.

Prowess
When Satyr Arsonist enters, destroy target nonbasic land. Its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle.

Whenever you cast an instant or sorcery spell, choose one that hasn't been chosen this turn —
• Create a 1/1 colorless Construct artifact creature token.
• Discard a card, then draw a card.
• Add one mana of any type.

Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Exile target card from a graveyard.

This spell can't be countered.
Players can't gain life.
{1}{R}: Scorching Condemnation becomes a 4/4 red Elemental creature with trample and haste until end of turn. Activate only during your turn.

Scry 2, then draw a card.
Flashback {4}{U}

Flying
Creatures you control with base power 1 or less get +1/+0.

Scuttle Tank enters with a defender counter on it.

Flash
When Seal Away enters, exile target tapped creature an opponent controls until Seal Away leaves the battlefield.

Target player reveals their hand. You may choose a nonland card from it. If you do, that player discards that card. Otherwise, draw a card.

Scry 3, then reveal the top card of your library. If it's a creature card, put it into your hand.

Lifelink
Whenever Secluded Gorgon dies, you may bless target creature.

Flash
When Security Initiative enters, you may tap or untap target permanent. Then draw a card.
An opponent controls three or more tapped nonland permanents.

Flying
Whenever Seeker Orbs becomes tapped, scry 1.

Whenever a land you control enters, scry 1. If that land is a Ruin, scry 2 instead.

When Seer of the Aspirants enters, surveil 1.
Wander {2}{G}

Vigilance
Whenever Selective Truthseeker or another nontoken creature you control enters, surveil 1. When you put a nonland card into your graveyard this way, you gain 1 life.

Set Ablaze deals 2 damage to any target. You may discard up to two cards, then draw that many cards.

Enchant creature you control
When Shatter the Reflection enters, you may destroy target artifact or enchantment.
Enchanted creature gets +1/+0 and has deathtouch.