msem-instigator

Each creature you control gets +1/+1 for each other creature you control with the same name.

Each player exiles all permanents they control, draws that many cards, then puts up to that many permanent cards from their hand onto the battlefield. Exile Reform Reality.

Choose target player. Until end of turn, if a spell or ability that player controls would cause them to draw a card, each of their opponents draws a card instead.

Destroy all creatures. If a Reflection would be destroyed this way, its owner shuffles it into their library instead.

Destroy all monocolored creatures.

Refuse to Submit deals 3 damage to any target. If that target is an attacking creature, it deals 5 damage instead.

First strike, trample
Whenever Regal Coralhorn deals combat damage to a player or planeswalker, return target card with a cycling ability from your graveyard to your hand.
Cycling {2} ({2}, Discard this card: Draw a card.)

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.

Legacy (You may play this side of this card only from your graveyard. Exile it if it would leave the battlefield or not resolve.)
At the beginning of your upkeep, you may return a creature card from your graveyard to your hand. If you do, you gain 2 life.

When Reha, Entropy's Call enters, you may search your library for any number of land cards with different names and exile them with harvest counters, then shuffle.
At the beginning of your upkeep, you may put a card that you own in exile with a harvest counter on it at random onto the battlefield tapped.

If one or more -1/-1 counters would be put on a creature an opponent controls, put twice that many -1/-1 counters on it instead.

Rei, the Supplanter gets +1/+1 for each Forest you control.
At the beginning of each player's end step, if that player didn't play a land this turn, create a Forest token.

This spell costs {1} less to cast for each artifact you control.
Search your library for an artifact creature card with mana value X or less, put it onto the battlefield, then shuffle.

Harmony — Destroy target artifact or enchantment.
When Rejoicing Aristocrats enters, harmonize. (Trigger up to one harmony of one permanent you control.)

Trample, haste
When Rejuvenating Elemental enters, remove up to X -1/-1 counters from among creatures you control. Rejuvenating Elemental gets +1/+1 until end of turn for each counter removed this way.

Untap all basic lands you control.
Draw a card.

When Relentless Toqui enters, put two +1/+1 counters on a creature you control.
Creatures you control with counters on them have haste and menace.

Glitch {2} (Remove one [restriction] for each time you pay the glitch cost.)
Destroy target artifact or enchantment [with mana value 3 or less].

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.)

Whenever another creature you control enters, you may upgrade Relitian Renegade. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Ward {2}
• Flying
• Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)

Vigilance
Whenever you cast an artifact spell, put a +1/+1 counter on Relitian Sentry.
Equipped creatures you control get +1/+1 and have first strike.

Put up to one target permanent card from your graveyard on top of your library. (Then exile this card. You may play the land later from exile.)

Flying
Whenever Reliya's Construct attacks, it gets +1/+1 until end of turn for each instant or sorcery card in your graveyard.
{U}{U}, {T}, Sacrifice Reliya's Construct: Return target instant or sorcery card from your graveyard to your hand.

Trample, haste
When Relonche Cavalry enters, other creatures you control get +1/+0 and gain trample and haste until end of turn.