msem-instigator

Flying
Whenever Rivha and at least two other creatures attack, exile all other attacking creatures you control. For each creature exiled this way, create a 3/3 white Angel creature token with flying that's tapped and attacking.

As Road to Alratha enters, choose near or far.
Whenever you attack,
• Near — Creatures you control get +1/+1 until end of turn.
• Far — Put a +1/+1 counter on target creature you control. Untap it.

{2}, {T}: Tap target creature.

Flying
Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Cadence (Whenever you cast a spell, if its mana value is greater than this creature's power, put a +1/+1 counter on this creature.)
Whenever Robot Herder deals combat damage to a player, create a 1/1 colorless Servo artifact creature token.

Destroy all creatures. Each player creates a tapped colorless land token named Lotus Spring with “{T}: Add one mana of any color.”

Vigilance
Whenever Asamund attacks, choose up to one each of target Dwarf, Elf and Human. Those creatures get +1/+0 until end of turn.
When you attack with at least one each of Dwarf, Elf, and Human, exile up to one target nonland permanent. Do this only once.

Each nonland permanent loses all abilities until end of turn.
Draw a card.

At the beginning of each upkeep, choose another permanent with the greatest mana value among permanents. Its controller sacrifices it.

Lifelink, haste
Equip abilities that target Rose of Sunspear cost {X} less to activate, where X is her power.

When Rotting Sunseeker dies, return target creature card with power 2 or less from your graveyard to your hand.

Creatures you control get +2/+1 until end of turn. Citizens and Peasants you control gain first strike until end of turn.
Foretell {1}{W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

When Rousing Battlehound enters, other creatures you control get +1/+1 until end of turn. Other Hounds you control gain first strike until end of turn.

Creatures you control get +1/+1 until end of turn. If you control a Rebel, draw a card.

When Roving Chaplains enters, create two 1/1 white Spirit creature tokens with flying.
{W}, Tap another untapped creature you control: Tap target nonland permanent an opponent controls.

Vigilance
When Roya Ritualist enters or whenever you cast a spell, if {G}{U} was spent to cast it, draw a card, then you may put a land card from your hand onto the battlefield tapped. Put a +1/+1 counter on Roya Ritualist.

Whenever a permanent you control leaves the battlefield, put a +1/+1 counter on Royal Doctor.
When Royal Doctor leaves the battlefield, you gain life equal to its power.

Ward {2}
Foresight — Whenever you draw your second card each turn, Royal Falconer gains flying until end of turn.

First strike
Prevent all noncombat damage that would be dealt to Royal Knight.

Exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

[+1]: Up to one other target permanent gains hexproof until your next turn. Untap it.
[–3]: Put target nonland permanent into its owner's library third from the top.
[–8]: Shuffle any number of cards you own from your graveyard and/or outside the game into your library. You get an emblem with “Permanents you control have ‘{T}: Draw a card.'”

Flying
If a +1/+1 counter would be put on a creature you control, you may instead put your choice of a flying counter, a vigilance counter, or a trample counter on it.

Whenever you cast a cryptic spell, creatures you control get +1/+1 until end of turn. (Artifacts, enchantments, and modal spells are cryptic.)

Defender, flying
Ruins Guardian can attack as though it didn't have defender as long as a creature died under your control this turn.
Whenever Ruins Guardian attacks, you may exile two creature cards from your graveyard. If you do, draw a card.