msem-instigator

Each player sacrifices three lands. Regal Ignition deals 3 damage to each nonlegendary creature.

Instant and sorcery spells you cast cost {1} less to cast.
Whenever you cast an instant or sorcery spell, Regrets of Mortals gets +2/+0 until end of turn. You may discard a card. If you do, draw a card.

Amass Soldiers 2. (Put two +1/+1 counters on an Army you control. It's also a Soldier. If you don't control one, create an 0/0 black Soldier Army creature token first.)
Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Reinbreaker Behemoth attacks each combat if able.

Search target opponent's library for an artifact card and put it onto the battlefield under your control, then that player shuffles. If you don't put a card onto the battlefield this way, create four Gold tokens. At the beginning of the next end step, sacrifice each artifact put onto the battlefield this way. (This includes the Gold.)

Relic Hoarder gets +1/+0 for each artifact and/or enchantment you control.
Relic Hoarder has first strike as long as you control three or more artifacts and/or enchantments.

Target instant or sorcery card in your graveyard gains flashback until end of turn. Its flashback cost is equal to its mana cost.
Flashback—{R}, Discard a card. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever another creature named Reminiscing Youth you control enters, you may discard a card. If you do, draw a card.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It loses any Roles you don't control.)
Compose (Then if you cast this from your hand, exile it and create a Saga token with “r3—You may cast a copy of this card from exile without paying its mana cost.”)

When Reprising Bard enters, exile target instant or sorcery card with mana value 3 or less from your graveyard. When Reprising Bard is no longer on the battlefield, copy the exiled card. You may cast the copy without paying its mana cost.

Exile the top two cards of your library. Until end of turn, you may play those cards. Add {R} for each creature card exiled this way.

Enchant creature
Enchanted creature and other Soldier creatures you control get +1/+1.
Whenever enchanted creature attacks, you may tap or untap target creature you don't control.

Bleed {2}{R}{R} (You may cast this spell for its bleed cost if an opponent has lost life this turn.)
When Restless Hedonist enters, discard your hand, then draw three cards.

Enchant creature
Enchanted creature gets +2/+2 and attacks each turn if able.

As an additional cost to cast this spell, discard a land card.
Draw two cards.

Reverent Flame deals 3 damage to target creature. Create three Idol tokens. (They're artifacts with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)

Deploy 4 (As this enters, you may tap any number of other creatures you control with total power 4 or more.)
When Revolutionary Recruiters enters deployed, gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

Shuffle a card from your hand into your library, then draw two cards.

Whenever you activate a loyalty ability of Reyhsia, Truth Chaser, you may exile a card from your hand. If you do, draw a card.
[+2]: Each player exiles up to two cards from their hand, then draws that many cards.
[0]: Until end of turn, you may play a card exiled with Reyhsia and you may spend mana as though it were mana of any color to cast that spell.
[–10]: Each player exiles all but the bottom card of their library and may play cards they own exiled this way until the end of their next turn.

Whenever you cast an instant or sorcery spell, put a loyalty counter on Reytali of Endless Muses.
[0]: Add X mana in any combination of colors, where X is the number of spells you've cast this turn.
[–3]: Create two 3/1 red Sand creature tokens with haste.

Each instant and sorcery card in your hand has orchestrate. Its orchestrate cost is equal to its mana cost reduced by {2}. (You may exile those cards from your hand anytime you could cast a sorcery for their orchestrate cost. When you next resolve a spell, you may cast it from exile without paying its mana cost.)
When you cast your third spell this turn, exile Reytali, then return her to the battlefield transformed.

Discard any number of cards, then sacrifice any number of artifacts. Draw X cards, where X is one plus the number of cards discarded and artifacts sacrificed this way.

As Rhythm of Avaz enters, choose Cyrukan or Sahra.
• Cyrukan — At the beginning of combat on your turn, put a +1/+1 counter on target creature you control.
• Sahra — Creatures you control have menace and haste, and attack each combat if able.

Prowess