SPOILERS!
Final Judgment - 4WW
Sorcery
Remove all creatures from the game.
Rare
Oh noes another wrath card! oh noes it's a cheap super wrath card! oh noes!
Stats:
The difference between remove and destroy is a huge difference, as threats are PERMANENTLY removed. You don't need to worry about it ever againfor the rest of the game. Obviously a creatureless deck will benefit the most from this, so it'll be like a new wrath for block or something. However, its strength is also its weakness, for wrath costs 4,and this costs 6, wayyy too much to be "tourney worthy" (tho I can be wrong about this, I personally don't think the tourney guys would want to shell out that 2 more mana).
Combos:
None
Overall:
Pretty good stuff. Too bad it's not tier 1.
8/10
BUT WAIT THERE'S MORE!
Patron of the Akki -4RR
Legendary Creature - Spirit
Goblin offering (You may play this card at any time you could play an instant by sacrificing a Goblin and paying the difference in mana costs between this and the sacrificed Goblin. Mana costs include color.)
Whenever Patron of the Akki attacks, creatures you control get +2/0 until end of turn.
5/5
Rare
Wow, sac a crappy goblin to pay for its cost! Now your goblins wouldn't feel so confused! Also note that it's instant so that you can play it at the end of your opponent's turn.
Stats:
With the ability it costs something like 4 to play, making it ridiculously powerful with instant speed. Plus with goblins you're bound to be massing, and just so happens that you have a 7/5 along with a bunch of pumped goblins flying in for the kill. Crazy stuff.
Combos:
It's more of a beatdown deck, so I don't know its other possible functions yet.
Overall:
Sweet stuff, since its instant ability means you'll be pumping your goblins at least once. :P
8.5/10
Faithful Squire - 1WW
Creature - Human Soldier
Whenever you play a Spirit or Arcane spell, you may put a ki counter on Faithful Squire. At end of turn, if there are two or more ki counters on Faithful Squire, you may flip it.
2/2
///
Kaiso, Memory of Loyalty
Legendary Creature - Spirit
Flying
Remove a ki counter from Kaiso, Memory of Loyalty: Prevent all damage that would be dealt to target creature this turn.
3/4
Uncommon
That's right, flip cards are back!
And finally, Aether chains remade into a BoK card (**** Wizards with them having my ideas!!!!! Currently this is my fav card from BoK, since I did make Aether chains with a nearly identical ability...except it's a rare.)
Quash - 2UU
Instant
Counter target instant or sorcery spell, then remove it from the game.
Search its controller's graveyard, hand, and library for all cards with the same name as that card and remove them from the game.
That player then shuffles his or her library.
Uncommon
Have fun imagining! :P