msem-instigator

Destroy target artifact or enchantment with mana value 4 or less.

When Collapsing Frame enters, search your library for a basic land card, reveal it, put it into your hand, then shuffle.
{2}, Sacrifice Collapsing Frame: Draw a card.

{T}: Add {C}.
{1}, {T}, Return Collapsing Ground to its owner's hand: Add one mana of any color.

Collapsing Ramparts deals damage to target creature equal to twice the number of Satrapies you control.

Whenever a land enters, Collapsing Realities deals 2 damage to each player.

(Add a quest counter as this enters. Sacrifice after 6.)
Whenever you cast a permanent spell, add a quest counter.
Choose a color that hasn't been chosen. Search your library for a permanent card that's exactly that color, reveal it, and put it into your hand. Then shuffle.
Exile Collect the World Stones. For the rest of the game, you may spend mana as though it were mana of any color.
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Reach
When Colonial Effigy dies, create a 1/1 white Spirit creature token with flying.

When Colony Soldier enters, create a 1/1 green Insect creature token.

Trample
Spells and abilities your opponents control can't cause you to sacrifice Colossal Achievement.

Target creature gets +1/+1 and gains indestructible until end of turn.

Trample
Colossal Greatwurm enters with five +1/+1 counters on it.
Whenever a player draws a card, put a +1/+1 counter on Colossal Greatwurm.
Remove three +1/+1 counters from Colossal Greatwurm: Create a 3/3 green Wurm creature token.

Equipped creature gets +3/+3.
Equip {4}
Equip creature with power 5 or greater {1}

Trample
If one or more counters would be put on a permanent you control, three times that many counters are put on that permanent instead.

Shimmer (Whenever this creature attacks, create a tapped and attacking token that's a copy of it. Exile the token at the beginning of the end step.)
When Colpah Mystic enters, you may discard a card. If you do, creatures you control named Colpah Mystic get +2/+2 until end of turn.

Until end of turn, target creature you control gets +1/+0 and gains “{T}: This creature deals damage equal to its power to up to one target creature.”

Creatures you control get +2/+0 until end of turn.
Whenever an opponent fails a trial, if Combatant Conflagration is in your graveyard, target creature you control gets +2/+0 until end of turn.

Combined Generator can't be blocked except by three or more creatures.

Exile the top two cards of your library. You may play those cards until the end of your next turn. Whenever you play one of those cards, rouse 1. (Put a +1/+1 counter on a permanent you control. If it isn't a creature, tap it and it becomes a 0/0 creature in addition to its other types.)

Destroy target creature with flying. If that creature had power 4 or greater, you gain 4 life.

Put a +1/+1 counter on target creature you control. It can't be blocked by more than one creature this turn.
Whenever a creature you control attacks alone, return Come Out and Play from your graveyard to your hand.

Enchant creature
Enchanted creature must be blocked if able.

{T}: Add one mana of any color in your commander's color identity.

{R}: You may put a Rebel creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

Enchant creature
Enchanted creature gets +2/+2.
When enchanted creature dies, amass Soldiers 2. (Put two +1/+1 counters on an Army you control. It's also a Soldier. If you don't control one, create an 0/0 black Soldier Army creature token first.)

{T}: Add {C}.
{T}: Untap target legendary creature you control. Activate only once each turn.