Create a 1/1 colorless Construct artifact creature token, then put a +1/+1 counter on each Construct you control.

When Demographer enters, draw a card, then discard a card. When you discard a nonland card this way, make a pledge.
{2}, {T}: Draw a card, then discard a card. When you discard a nonland card this way, make a pledge.

Whenever you sacrifice a permanent, double this creature's power until end of turn.
When this creature dies, create an X/X black Demon creature token, where X is this creature's power.

Depths Ancient's power and toughness are each equal to the number of cards in your graveyard plus the number of exiled cards you own with surface.
Surface {5}{B}{B}

When Desolate Lands enters and whenever you cast a spell, it deals 3 damage to target opponent unless they sacrifice a permanent.

This land enters tapped unless you control one or fewer other lands.
{T}: Add {W} or {B}.
Cycling {2}

Whenever Devourer of Fortunes enters or attacks, return up to one target instant or sorcery card in a graveyard or creature on the battlefield to its owner's hand. You may cast a copy of it, and may spend mana of any type to cast it.

Trample
{R/G}, Sacrifice another creature: Put a +1/+1 counter on this creature. If the sacrificed creature had one or more counters on it, exile the top card of your library. You may play that card until your next end step.

Dhante's Inferno deals 4 damage to any target. Create a number of tapped Treasure tokens equal to the amount of excess damage dealt this way.
{X}, Exile Dhante's Inferno from your graveyard: Each opponent loses X life and you gain X life. Spend only mana from artifact sources to activate this ability. Activate only as a sorcery.

When Diamond Dust enters and whenever you cast a spell, put a +1/+1 counter on each creature you control.

Creatures you control have “{T}: Add one mana of any color” and “{T}: Surveil 1.”

Activated abilities of other artifacts and enchantments with mana value 3 or less can't be activated.
{1}, Sacrifice Disestablishmentarianism: Exile target artifact or enchantment.

This land enters tapped unless you control one or fewer other lands.
{T}: Add {W} or {U}.
Cycling {2}

When Distributive Justice enters, distribute three +1/+1 counters among any number of target creatures you control.
You control three or more creatures with the same power.
You control three or more creatures with the same toughness.

Flying
Amity — Whenever you attack with Dustwing Butterfly and exactly one other creature, create a tapped and attacking token that's a copy of target creature you control, except it's 1/1 and isn't legendary. Sacrifice that token at the beginning of the next end step.

Dynamo Glyphs enters with six minus X charge counters on it.
Whenever a creature you control attacks, remove a charge counter from Dynamo Glyphs. Then if it has no charge counters on it, sacrifice it. If you do, draw three cards.

Whenever this Subroutine runs, destroy all creatures, enchantments, and planeswalkers.

At the beginning of your upkeep, you may put a charge counter on this Subroutine.
Whenever this Subroutine runs, you may sacrifice it. If you do, destroy all nonland permanents with mana value equal to the number of charge counters on it.

Flying
Amity — Whenever you attack with Earthbreaker Dragon and exactly one other creature, Earthbreaker Dragon deals 1 damage to each of up to two target creatures without flying.

Level up {B/G}
[level 1-3] {T}: Return to your hand target card from your graveyard that was put there from your library this turn.
[level 4+] {T}: Return to your hand all cards from your graveyard that were put there from your library this turn.

Create a Solidarity token. When you do, pay for and choose any number.
+{R} — Edgeland Pledge deals 2 damage to any target.
+{U} — Tap up to three target creatures.
+{G} — Create a 1/1 red Soldier creature token. It gains haste until end of turn.

Haste
Whenever you cast a spell that targets Efimia of the Horse, create a 1/1 white Human creature token if this is the first time this ability has resolved this turn. If it's the second time, creatures you control get +1/+0 and gain haste until end of turn. If it's the third time, creatures you control gain menace until end of turn.

Scry 3, then draw three cards.
If this spell's flashback cost was paid, take an extra turn after this one.
Flashback {7}{U}{U}

When Elder Soulblade enters, search your library and/or graveyard for a creature card with mana value 2 or less. Put that card onto the battlefield, attach Elder Soulblade to it. If you searched you library this way, shuffle.
Equipped creature gets +3/+1 and has menace.
Equip {5}

Vigilance
Flow — {4}{W}: Exile target permanent card with mana value 3 or less from your graveyard. Create a tapped token that's a copy of it. Activate only as a sorcery.