Izzet Guildblade

Artifact -- Equipment (U)
If equipped creature is blue, it gets +1/+1 and has flying.
If equipped creature is red, it gets +1/+1 and has first strike.
Equip

Gate of Mirrors
Land-Gate
, Sacrifice Gate of Mirrors: Search your library for a Gate card, put it onto the battlefield tapped, then shuffle your library.

Benalish Crossbowman
Creature - Human Soldier
First strike
Prevent all combat damage that would be dealt to Benalish Crossbowman by creatures blocking it.
2/2
"Come here you coward!"

Disinherited Cephalid
Creature — Cephalid Wizard
Whenever Disinherited Cephalid becomes the target of a spell or ability, put the top three cards on your library into your graveyard. If a historic card is put into your graveyard this way, you may counter that spell or ability.
"Our empire is no more but the seas of Otaria and the libraries of Aboshan are still ours."
3/3

Cabal Snakeman
Creature - Snake Warrior (U)
Storyteller (When this enters the battlefield, you may exile a legendary card from your graveyard until this leaves the battlefield.)
Whenever Cabal Snakeman deals combat damage to a player, if Cabal Snakeman has a story to tell, that player discards a card.
Though Chainer is long gone, his dementia creations carry on his legacy.
2/2

Riptide Reject
Creature - Goblin Mutant
, Discard a card at random: Riptide Reject gets +X/+0 until end of turn, where X is the converted mana cost of the discarded card. At the end of turn, sacrifice Riptide Reject.
1/2
Despite their high rate of reproduction and physical resilience, it was ultimately decided that goblin test subjects introduced too much variability in experiments.

Maromancy -
Sorcery (R)
Gain control of each creature with power and toughness each equal to the number of Forests you control.
"Accept your nature and nature will accept you."

The Nine Titans
Enchantment - Saga (M)
I — Draw a card for each planeswalker you control.
II — Sacrifice a planeswalker.
III — Destroy all permanents except for lands and planeswalkers.

Urbolg Hulkstack
Artifact
Whenever you cast a black spell, you gain 1 life.
, Pay 5 life: Until end of turn, Urbolg Hulkstack becomes a black Construct artifact creature with base power and toughness 5/5 and menace.
It was a different power that animated that monstrosity now, but still, her heart froze when it started to rise.

Zhalfir Restored
Legendary Land (R)
You may play Zhalfir Restored from exile.
Zhalfir Restored enters the battlefield tapped.
: Add or .

Current: Lorwyn/Shadowmoor
W U B R G Multicolored C Land
Next: Alara

I'm going to see if my indicator thingy catches on. I figure it'll make things easier to catch on to.If you want to use it, just switch up which one is bolded.

Clachan-Watch
Creature - Kithkin Soldier
Vigilance
At the beginning of your endstep you may tap ~ and transform it.
1/3
"I keep a staff to chase the boggarts but I just wave it around at them mostly."
//
Doun-Watch
() Creature - Kithkin Soldier
First strike
2/1
"Shows of force are the only thing those brutes understand."

Temporander -
Creature - Elemental
When ~ leaves the battlefield, if it's not an extra turn, take an extra turn after this one.
Evoke
7/5

Shimmerpaw

Creature -- Elemental (R)
When Shimmerpaw enters the battlefield, if it isn't a token, create a token that's a copy of target creature you control. It gains haste. Exile it at end of turn.
Evoke
4/4

Skipped black.

Boggart Tastemaker
Creature — Goblin Shaman
Discard a Treefolk card: Boggart Tastemaker gets +1/+1 until end of turn.
Discard a Faerie card: Boggart Tastemaker gains flying until end of turn.
Discard an Elemental card: Boggart Tastemaker gains haste until end of turn.
2/1

I like TPman's indicator, but the color tracker seems like too much upkeep.

Safehold Paladin
Creature - Elf Knight (U)
Aurora - As long as you've cast a black spell this turn, Safehold Paladin has deathtouch.
When Safehold Paladin enters the battlefield, you may have it fight target creature an opponent controls.
3/3

Current: Lorwyn/Shadowmoor
Next: Alara

I think it'd be enough to just post the name of the plane whenever you go to a new plane so people have to look back at most eight posts to check where they're up to


Giant Kelpie -
Creature - Beast
Whenever ~ attacks, it doesn't untap during its controller's next untap step.
4/5

Wool Shears

Artifact -- Equipment (C)
Equipped creature gets +1/+1 and can't be blocked by Goats.
Equip

Edge Of Shadow
Land
: Add to your mana pool.
Whenever you transform a permanent you control you may transform ~.

Path To The Light
Land
: Add one mana of any color to your mana pool.
: Add two mana of any color to your mana pool. Transform ~.

Next plane: Alara

Plane: Alara

Plane: Alara

Jhessian Vigor-Stealer
Creature - Human Shapeshifter
Exhaust (Whenever ~ attacks, you may tap any number of untapped creatures you control. If you do, ~ gets +1/+1 until end of turn for each creature tapped this way.)
Whenever you exhaust a creature for ~, you may have ~ become a copy of that creature until end of turn. (this happens before the power and toughness change from exhausting creatures)
2/2

Eh, the wording's a little weird. Having the thing with exhaust not being the thing flavourfully exhausted is tripping me up here.