msem-instigator

Flying, lifelink

Flash
This spell costs {1} less to cast for each Dragon you control.
Flying

Advance {3} (Cast this for {3} to advance it as it enters. {3}: Advance this as a sorcery.)
Whenever Wastes Scrambler advances, put your choice of a +1/+1, first strike, menace, trample, or vigilance counter on it. If {R}{W}{B} was spent to advance it, repeat this process twice.
Crew 1

When Benign Whisper enters, return another target creature to its owner's hand.

Flash
Flying, lifelink, deathtouch
When Chosen of Aminatou enters, scry 2, then draw a card.

When Ion Field enters, target player creates two 1/1 red Elemental creature tokens.
Whenever you cast an instant or sorcery spell that targets only one target, you may pay {1}{R}{R} and sacrifice Ion Field. If you do, copy that spell for each other target it could target. Each copy targets a different one of those targets.

When Seafloor Wreckage enters and when you sacrifice it, search your library for a basic land card, reveal it, put it into your hand, then shuffle.
{1}{G}, Sacrifice Seafloor Wreckage: Draw a card.
Cycling {2} ({2}, Discard this card: Draw a card.)

As an additional cost to cast this spell, sacrifice a creature.
Look at the top X cards of your library, where X is the sacrificed creature's power. Put one of those cards into your hand and the rest into your graveyard.

Whenever you cast an Elf spell, create a 1/1 green Elf Druid creature token.
Tap four untapped Druids you control: Destroy target artifact or enchantment.

As an additional cost to cast this spell, discard a card.
Create three 1/1 black Spirit creature tokens with flying.

{T}: Add {C}.
At the beginning of each end step, if you control five or more Snake creatures, transform Aghavaan's Wound.

Flying
Whenever you cast a spell, draw a card, then put a +1/+1 counter on Maven of Perspective.

{T}: Add {C}.
{2}, {T}: Add three mana of any one color.

At the beginning of your upkeep, create four 1/1 blue Elemental creature tokens with flying. You gain 4 life.
{2}{W}, Discard Olten's Farewell: Create two 1/1 blue Elemental creature tokens with flying. You gain 2 life.

Haste
Whenever you cast a noncreature spell, put a +1/+1 counter on Vengeant Precursor. It gains trample until end of turn.

When Endrison Familiar enters, reveal the top four cards of your library. Put all land cards revealed this way into your hand and the rest into your graveyard.

Lifelink
{2}{B}: Create a 1/1 black Human Warlock creature token with lifelink.
{4}{B}{B}{B}, Pay 7 life: Transform Oswin, Skirsdag Diabolist.

Flying
Revive {5}{U} ({5}{U}, 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.)

Create two 2/2 blue Drake creature tokens with flying.
Metamorph {1}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up and cast it at any time for its metamorph cost.)

Enchant creature
Enchanted creature gets +2/-2.

{T}: Add {U} or {R}.
{U}{R}, {T}: Target creature gains flying until end of turn.

If you would lose unspent mana, that mana becomes colorless instead.

Creatures can't attack you or planeswalkers you control unless their controller pays 2 life for each of those creatures.

Enchant creature
Whenever enchanted creature becomes tapped, return it and Driven to Distraction to their owner's hands.

While an opponent is choosing targets as part of casting a spell they control or activating an ability they control, that player must choose at least one Flagbearer on the battlefield if able.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)