msem-instigator

Flash
{1}{W}: Return Nimble Explorer to its owner's hand.

Put target permanent card with mana value 3 or less from a graveyard onto the battlefield under your control.
Leitmotif (If you cast this spell from your hand, exile it as it resolves. When you next cast a spell that shares a color with this card, you may cast this from exile without paying its mana cost.)

Flying
When Novaheart Guardian enters the battlefield, it deals 4 damage to any target.
Whenever a creature or planeswalker dies, put a +1/+1 counter on Novaheart Guardian.

Trample, haste
Whenever an opponent casts a noncreature spell, you may return Olten Sandwurm to its owner's hand.

Flash
Flying

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.)
Creatures with power less than Olten Survivalist's power can't block creatures you control.

Enchant creature
Enchanted creature doesn't untap during its controller's untap step.

Whenever a creature dies, put a +1/+1 counter on each creature you control with power less than it.
{3}{G}, Sacrifice a creature: Draw cards equal to the sacrificed creature's power.

Destroy target monocolored creature.
Augmented — If you've spent {W}{U}{B}{R}{G} to cast spells this turn, return that card to the battlefield under your control.

Converge — When Operations Manager enters the battlefield, create X 1/1 colorless Servo artifact creature tokens, where X is the number of colors of mana spent to cast Operations Manager.

Exile target creature. That creature's controller creates a 1/1 blue Elemental creature token with flying.

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.)
When Painwield Explorer dies, it deals damage equal to its power to target player or planeswalker.

Vigilance
When Paired Pathfinders enters the battlefield, if three or more colors were spent to cast it, create a 1/1 colorless Servo artifact creature token.

Trample
When Pernicious Primavore enters the battlefield or dies, destroy up to three target artifacts and/or enchantments.

Return target creature card with mana value 3 or less from your graveyard to the battlefield. Put a +1/+1 counter on it. It gains indestructible until end of turn.

Draw two cards. If three or more colors of mana were spent to cast Planeswalker's Insight, draw three cards instead.

Flying
Whenever Planetary Reconnoiterer attacks, target creature you control gains flying until end of turn.

This spell costs {1} less to cast for each artifact you control.
Choose two —
• Creatures without flying can't block this turn.
• Two target creatures get +2/+0 until end of turn.
• Power Drive deals 3 damage to any target.

{1}, {T}: Add one mana of any color.
Crew 1 (Tap any number of creatures you control with total power 1 or greater: This Vehicle becomes an artifact creature until end of turn.)

Converge — Precursor Sentinel enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.
Remove a +1/+1 counter from Precursor Sentinel: It deals 1 damage to any target.

Flash
When Predatory Psion enters the battlefield, switch target creature's power and toughness until end of turn.

Prismatic Cavern enters the battlefield tapped.
When Prismatic Cavern enters the battlefield, return a land you control to its owner's hand.
{T}: Add {C} and one mana of any color.

Flying
Whenever Prismatic Scyphozoa attacks or blocks, target player mills three cards.
When Prismatic Scyphozoa dies, create four 1/1 blue Elemental creature tokens with flying.

When Prophetic Prism enters the battlefield, draw a card.
{1}, {T}: Add one mana of any color.