The Gold Cycle
Multicolor spells and split color spells should be dealt in because they exist within the card sets.
To maintain color balance, all ten colors must be addressed in symmetry than asymmetry
Hybrid Gold Cards
moving down the continental river
Continental River Land Barrier Wurm
Chill (comes into play tapped)

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~"Mountain Rain streams through forests, tributes on plains, deltas to swamps, and returns to the ocean"flash flood 
instant
(

mana cost payed with

or

.)
This counts as both a blue and red card.
Tap target Permanent
It lags. (does not untap during it's controller's next untap step)
It becomes an island until untapped.
Stream Salmon 

creature fish
(

mana cost payed with

or

.)
This counts as both a red and green card.
islandwalk
2/2
Apple Orchard 

creature treefolk
(

mana cost payed with

or

.)
This counts as both a green and white card.

gain 2 life
2/4
Giant Cranes 

creature bird artifact
(

mana cost payed with

or

.)
This counts as both and white and black card.
4/3
Lidless cauldron 

sorcery
(

mana cost payed with

or

.)
This counts as both and black and blue card.
Return card from your graveyard to your hand.
The Multi-Color Cards
Psychopathic Individualist 


Creature Assassin
This counts as both and black and red card.

: Destroy target creature
that shares a creature type
with another creature in play.
(1/1)
Mediums of Revenge 

creature cleric
This counts as both and red and white card.
Whenever a creature dies, its controller
puts a +1/+1 aggression chip on target creature.
Creatures with aggression chips must attack if able.
~"the maze cannot be solved without patients"2/2
Poisoning the Woods 


enchantment
This counts as both and black and green card.


Destroy target forest.
Put a plains or swamp into play from your deck.
"~resources can change" - Wizard of the Seven EyesGenetic Strands 


Creature - Changling(is all creature types)
This counts as both and green and blue card.
Defender (cannot attack)
Graft

(This creature enters play with X +1/+1 chips on it.
Whenever a creature enters play,
you may move a +1/+1 chip from this onto it.)

: target creature with a +1/+1 chip gains
creature type of your choice to end of turn.
~"We're all spun along the coil" -Queen Cobra(0/1)
Frost Dragon 


creature dragon
This counts as both and white and blue card.
Flying
Tap all creatures opposing this in combat.
Those creatures lag.
Whenever this damages a player;

: tap a land damaged player controls
Those lands lag and are snow lands until uptapped.
3/6
Black Blade Gargoyle

artifact creature gargoyle

: this gains flying to end of turn

: +0/2 to end of turn.

: this gains vigilance to end of turn

: +1/0 to end of turn.

: hunt(if this is unopposed(attacking and not blocked after blockers are declared) it may do its damage to target creature defending player controls instead.
~"idols of legends aren't always" -Wizard of the 7 eyes2/2