Archeia: Mechanics
Enervate:
This spell costs
less to cast for each creature that died this turn.
Used on 0 cards:
Relic:
You may cast this card from your graveyard for PARAM1. If you do, it becomes a relic in addition to its other types. If this is a relic, whenever it would leave the battlefield, exile it instead.
Used on 0 cards:
Possible scavenger mechanic.
Mutate:
PARAM1: Exchange this card in your hand with a creature that shares a creature type with it.
Used on 0 cards:
If there are more noncreature cards than creature cards in your graveyard...
GWU
Assimilate:
Whenever this creature deals combat damage to a player, you may pay 2 life. If you do, put a 2/2 colorless Zombie artifact creature token onto the battlefield tapped.
Used on 0 cards:
*Preordain -*:
Used on 0 cards:
If you scried this turn...
Possible esper mechanic
So this is a really weird thing. We'll find out how broken it is.
Mutate v2:
You may pay the mutate cost reduced by the converted mana cost of a creature you own and exchange that creature with this card in your hand.
Used on 0 cards:
Reconfigure:
Exile this card from your graveyard: You may cast a permanent card from your graveyard this turn. If you do, the permanent it becomes is an artifact in addition to its other types.
Used on 0 cards:
Foresight:
When you scry this card, you may exile it for its foresight cost rather than putting it on the top or bottom of your library. You may cast it later from exile.
Used on 1 cards:
Come to Pass
Reconfigure:
Exile this card from your graveyard: Add PARAM1ASWORDS mana of any colour. Spend this mana only to cast artifact spells.
Used on 0 cards:
Enervate:
This spell costs
less to cast for each permanent you sacrificed this turn.
Used on 0 cards:
Reconfigure:
You may cast this card from your graveyard by exiling another card from your graveyard in addition to its other costs.
Used on 0 cards:
Perhaps “You may exile a card from your graveyard. If you do, create two Relic artifact tokens. Otherwise, create one of those tokens.
Reconfigure:
Exile this card from your graveyard: Add
. Spend this mana only to cast artifact spells.
Used on 1 cards:
Rusted Ravager
If you looked at cards in a library this turn...
Possible Esper mechanic
Reconfigure:
You may cast this card from your graveyard by exiling PARAM1ASWORDS other cards from your graveyard as an additional cost.
Used on 0 cards:
Possible esper or set mechanic
Create a Rift token
(Exile a card from your graveyard. If you do, create a Treasure token or put a +1/+1 counter on this creature.):
Used on 0 cards:
Relic2:
Create a tapped Relic or untap a Relic you control.
Used on 0 cards:
(An artifact with “{1}, {t}: Target creature gets +1/+1 until end of turn. Activate only as a Sorcery.”):
Used on 0 cards:
In card text or details pages, write the mechanic's code name (playtest name) between square brackets, like "[Crittercast]", "[Bushido 1]" or "[Delay 4 {2}{R}{R}]". It will be expanded to the mechanic's name plus reminder text, such as "Suspend 4 – 

. (Rather than cast this spell from your hand,...)"
To expand a mechanic's name but not its reminder text, include parentheses at the end of the square brackets: "[Crittercast()]", "[Delay 9 {R}()]".