msem-instigator

({T}: Add {B}, {R}, or {G}.)
Primal Dominion enters tapped.

Reach
You may cast a copy of Primal Echo from your graveyard by exiling it and paying {2} in addition to its other costs. (The copy enters as a token.)

Reveal the top seven cards of your library. You may put a creature card from among them onto the battlefield. Put the rest into your graveyard. Then flip a coin. If you win the flip, return Primal Evocation to its owner's hand.

Enchant land
Enchanted land has “{T}: Add {G}{G}.”

Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)
Whenever Primal Ruffian attacks, if it has a +1/+1 counter on it, other creatures you control get +1/+1 until end of turn. (If it had no counters on it when it attacked, this ability does not trigger.)

Primal {1}{G} (During your turn, you may cast this spell for {1}{G} instead of playing a land.)
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Trample
Primitive Berserker's power is equal to the number of Goblins you control.

Reach
When Primordial Artisan enters or attacks, look at the top card of your library. If it's a permanent card with mana value less than or equal to your devotion to green, you may put it onto the battlefield. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.)

When Primordial Gorran enters, if {B} was spent to cast it, put a +1/+1 counter on it for each creature card in your graveyard.

When Primordial Progenitor dies, create two 1/1 red Elemental creature tokens.

Primordial Slime can't be blocked by creatures with power 2 or less.
When Primordial Slime dies, you gain 5 life.
Foreshadow {5}{G}{G} (You may cast this spell for its foreshadow cost. If you do, also trigger its “dies” abilities when it enters.)

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)
Flying
Dragon spells you cast have cascade.

{2}: Add one mana of any color.

When Prismatic Basilisk enters, you may search your library for a permanent card with mana value 1 or less, reveal it, put it into your hand, then shuffle.
{2/W}{2/U}{2/B}{2/R}{2/G}: Prismatic Basilisk gets +5/+5 and gains flying until end of turn.

Creatures you control get +1/+1 for each color among permanents you control.

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

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color that land could produce.

{T}, Tap an untapped creature you control: Add one mana of any color.

Flying
{3}: Prismscale Dragon gets +1/+1 until end of turn for each color of mana spent to activate this ability.

As Pristine Chapel enters, you may pay 3 life. If you don't, it enters tapped.
{T}: Add {W}, {B}, or {G}.

Pristine Delta enters tapped.
{T}: Add {W} or {U}.
{2}{W}{U}, {T}, Sacrifice Pristine Delta: Draw a card.

({T}: Add {G}, {U}, or {R}.)
Pristine Dominion enters tapped.

{T}: Add {C}. You gain 1 life.
Pristine Frame gets +2/+2 and has flying as long as you have 25 or more life.

Private Library enters tapped.
When Private Library enters, look at the top card of your library. You may put it into your graveyard.
{T}: Add {W} or {U}.

Vigilance, trample
Prized Marshcroaker can block an additional creature each combat.