[GDS] February 2011 "Geomancer" Critiques

I'd appreciate any feedback on my submission of the game "Geomancer" to the Feb 2011 Game Design Showdown. Below is the full text of the submission.

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Geomancer is a quick dice game for 2-6 players (the more players the better). You must outlast your rival Geomancers while trying to achieve the harmony of the five elements: Wood, Fire, Earth, Metal, Water.

Game Components
40 custom six-sided dice, with each face depicting one of the 5 elements and the 6th face depicting the Focus symbol.
Several reminder cards showing the interaction of the five elements
http://commons.wikimedia.org/wiki/File:Interactions_of_Five_Chinese_Elem...

Objective
The objective of the game is to be the sole geomancer remaining in the game.
A player is eliminated when they have no dice.

Setup
Distribute the dice equally between the players, setting aside the remainder. Each die face represents one of the five elements, with the sixth face representing Focus. Roll your dice and place them in front of you. The number of dice showing each element represents your strength in that element.

Special: You can use your Focus dice to boost the power of the other elements.

Playing the Game
The player who rolled the least number of Focus dice goes first. If there is a tie, the tied players reroll all their dice (and keep the result). Continue like this until there are no ties for the least number of Focus dice.
Play proceeds clockwise in order and continues until all players but one have been eliminated.

Taking Your Turn
On your turn you may perform the following actions once only, in order:
- Create: Transform one or more dice into a different element.
- Attack: Declare an attack against one or more players.
You do not have to perform either of these actions if you do not want to.

Create:
Select one or more dice of a single element and use them to "create" a different element. Rotate these dice so that the new element face is showing. The element creation follows a cycle:
* Wood feeds Fire;
* Fire creates Earth;
* Earth bears Metal;
* Metal carries Water;
* Water nourishes Wood.
Focus dice cannot be used to create anything.

Example: You have three Wood dice and you decide to create some Fire. You select two of your Wood dice and rotate them so that the Fire face is showing.

Attack:
Select one or more dice of a single element, optionally adding Focus dice to boost the element's strength. You may select a number of target players up to the strength of your attack. Each of the targetted players may defend using dice from the controlling element. The controlling elements follow a cycle:
* Wood parts Earth;
* Earth absorbs Water;
* Water quenches Fire;
* Fire melts Metal;
* Metal chops Wood.
If the targetted player chooses to defend with the controlling element, they must use all their dice in that element and optionally boost the element's strength with Focus dice.
- If you did not defend, give the attacker one die and then discard one die.
- If your defense is less than the attack, give the attacker one die.
- If your defense is equal to the attack, there is no effect.
- If your defense is twice as strong as the attack, you have "insulted" the attacking element and the attacker must give you one die.

Reroll all the dice used to attack and defend and all dice transferred between players.

Note: You may add any number of Focus dice to boost the strength of your attack or defense, but you must have at least one of the "natural" element.

Example: You select two Fire dice and one Focus die for your attack, for a total strength of three. Thus, you can make a strength three Fire attack on up to three other opponents. Each of these players may attempt to control (defend) the Fire with Water. Trish-Ann has four Water dice, and she uses all of these to control the Fire. Ramon has two Water and four Focus dice but he chooses to defend only with the Water. Ramon has made only a partial defense (strength 2 vs strength 3), so he must give you one die. Wan Li has two Focus dice but no Water dice, so he cannot defend because he has no Water. Wan Li gives you one die and then discards one die. You reroll your two Fire dice, the Focus die, and the dice that Ramon and Wan Li gave you. Trish-Ann rerolls all her Water dice. Ramon rerolls all his Water dice.

Example: Using the same example above, this time Ramon chooses to add all four of his Focus dice to his two Water for a total strength of six. His Water insults your Fire because it is twice as strong as the Fire. You must give him one die.

Special: Harmonic Defense! If you have one of each element you may declare a Harmonic Defense instead of a normal defense. You cannot use Focus dice in a Harmonic Defense. This is treated as a successful defense against any attack.

Special: Harmonic Attack! If you have one of each element you may declare a Harmonic Attack instead of a normal attack. You cannot use Focus dice in a Harmonic Attack. The attack can target every opponent, although you can choose not to attack certain opponents if you wish. The only way to successfully defend a Harmonic Attack is with a Harmonic Defense. Every player who does not defend must give you one die and then discard one die.

Special: Two Player Showdown! When there are only two players remaining in the game, any dice that would normally have been given to the opponent are discarded instead. This forces the game to a conclusion rather than going back and forth indefinitely.