Haste
Whenever you cast a spell that targets Rathomar Raider, target creature can't block this turn.

When Reaching Remnant enters, it deals 4 damage to target creature with flying you don't control.
Spellcharge 3

Return target artifact or creature card from your graveyard to the battlefield.
Flashback—{3}{B}, Sacrifice a creature.

Whenever Recurring Visions enters or you cast a spell which had its flashback cost paid, surveil 3.

Mill a card. Put a +1/+1 counter on up to one target creature. Exile up to one target card from a graveyard. You gain 1 life.
Flashback {1}{G}

Reduce to Ore deals 5 damage to target creature. If a Ruin dealt damage this way would die this turn, instead exile it and you create two Treasure tokens.

Flying
Equipped creature gets +2/+0.
Equip {2}
Spellcharge 2

Other creatures you control get +1/+1 and have vigilance.
Spellcharge 5

When Renowned Roughrider enters or leaves the battlefield, create a 1/1 white Human creature token. Then if you control four or more creatures, put a +1/+1 counter on a creature you control.
Wander {4}{W}{W}

{T}: Add {C}.
Whenever Resting Place attacks, sacrifice it at end of combat.
Spellcharge 5

When Rib Collector enters, if it wandered, return target creature card from your graveyard to your hand.
Wander—{1}{B}, Sacrifice another creature.

Choose one —
• Exile target artifact or enchantment.
• Exile target creature you control, then return it to the battlefield under its owner's control. If that creature entering the battlefield causes any abilities to trigger, those abilities trigger an additional time.

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}

Put two +1/+1 counters on target creature you control. It fights up to one target creature an opponent controls. You gain 4 life.

Reach
When Roaming Treefolk enters, target creature or Ruin gets +2/+2 until end of turn.
Wander {5}{G}

When Rotroot Hauler enters, mill three cards, then you may put a permanent card in your graveyard on top of your library.

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.

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

Flash
When Sanctum of the Two Truths enters, draw two cards.
Spellcharge 4

{1}{R}, {T}, Discard a card: Draw a card. Scalding Crucible deals 1 damage to each opponent.
Spellcharge 5

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

Double target creature's power and toughness until end of turn.
Flashback {1}{G}

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

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

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