msem-instigator

[+1]: Raidragos, the Vindictive deals 3 damage to target player or planeswalker and 1 damage to you.
[–2]: Until end of turn, creatures you control gain “{R}: This creature gets +1/+0 until end of turn.”
[–8]: You get an emblem with “Whenever you cast an instant or sorcery spell, this emblem deals 4 damage to each opponent.”

Revive {3}{G} ({3}{G}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

When Raikai Seafarer enters, you may search your library for up to three cards named Raikai Seafarer, reveal them, put them into your hand, then shuffle.

[+1]: Mill two cards. Create a 1/1 green Spirit Snake creature token.
[0]: You may sacrifice a Spirit. When you do, return target permanent card from your graveyard to your hand.
[–2]: Exile another target nonland permanent until Rain Zai leaves the battlefield. You gain 2 life.

Rain of Blood deals 3 damage to each creature and each player.

Flying, haste
{2}{R}{R}, Exile a multicolored card from your graveyard: Return Rainbow Phoenix from your graveyard to the battlefield tapped. If it's your declare attackers step, it enters attacking.

Haste
When Rainy Night Lovers enters, look at the top four cards of your library. You may cast a red instant or sorcery spell with mana value 1 from among them without paying its mana cost. Then put the rest on the bottom of your library in any order.

Pressure {1}{G} (You may cast this spell for its pressure cost if seven or more cards are in your graveyard.)
Search your library for three basic land cards and reveal them. Put one onto the battlefield tapped, one into your hand, the rest into your graveyard, then shuffle.

Art of war — At the beginning of your end step, if Raiun Bay Scourge dealt damage to an opponent this turn, gain control of target artifact or enchantment until Raiun Bay Scourge leaves the battlefield.

Flying
{B}: Target attacking creature gets +1/+1 until end of turn.

Rakkiri Archer gets +0/+1 and has reach as long as it's embattled. (A creature is embattled if it has a counter on it or has a permanent you control attached to it.)

Rakkiri Piker has double strike as long as it's embattled. (A creature is embattled if it has a counter on it or has a permanent you control attached to it.)

When Ralezza, Weaver of Okthuros enters, you may put target Aura card that could enchant it from a graveyard onto the battlefield attached to Ralezza.
{1}{W}, Sacrifice an Aura: Ralezza gains indestructible until end of turn.

Vanishing 5 (This creature enters with five time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
Whenever you remove a time counter from Rallios, create a tapped 2/2 black Zombie creature token.

Menace
When Rallios Unleashed enters, create a 2/2 black Zombie creature token.
Whenever Rallios Unleashed deals combat damage to a player, create a 2/2 black Zombie creature token for each creature card in your graveyard.

Destroy target attacking or blocking creature.
Bulwark — This spell costs {1} less to cast if you control a creature with toughness 4 or greater.

Whenever a card is put into your graveyard from your library, you may put it on top of your library.
{U}{B}, Sacrifice Rallios' Return: Until end of turn, you may play target card from your graveyard. If that spell would be put into a graveyard, exile it instead.

Trample
When Rallios's Champion enters, look at the top six cards of your library. You may put a Warrior card with lesser mana value from among them onto the battlefield. Put the rest on the bottom of your library in a random order.
Other Warriors you control get +1/+1.

Indestructible
Battalion — Whenever Rallios, Heir to the Evil One and at least two other creatures attack, creatures you control get +1/+0 and gain double strike until end of turn.

Create three 1/1 white Soldier creature tokens. If you control an attacking creature, they're tapped and attacking. If you control a blocking creature, they're blocking target attacking creature.
Quickdraw {2}{W} (When a creature you control blocks or becomes blocked, you may cast this for {2}{W}.)

Create two 1/1 red Soldier creature tokens with haste.

Equipped creature gets +1/+1 for each Equipment attached to it.
Whenever an Equipment you control enters, attach it to equipped creature.
Equip {2}

Whenever Rallying Guardian becomes untapped, creatures you control get +2/+0 until end of turn.

Equipped creature has “Whenever this creature attacks, untap each other creature you control.”
Equip {3}

Flying
When Rallywing enters, creatures you control get +1/+1 until end of turn.