Toy Chest Test variant.

Idea: allow a player to partition his/her deck into "set-up", 
"mid-game", and "end-game" portions. Something akin to the Lucky Draw 
variant by Mark A. Wilker [1]. But with 1 more deck and with a few 
restrictions on switching decks.

Rules:
======

Deck construction:

Each player starts with 1 crypt, constructed via the normal rules, and 
3 library decks, constructed as follows:

Each of the libraries has between 20 and 30 cards (for a total library 
size of 60 to 90 cards). They do not all have to be the same size.

Each deck is shuffled and cut individually. Each player chooses one of 
his or her libraries to start with. The other two are placed off to 
the side (in the player's "toy chest"). Cards in the toy chest are out 
of play and cannot be affected.

Play:

During the discard phase, each player gets one fewer discard by 
default.

A player may spend a master phase action to swap his or her library 
with one from his or her toy chest.

During the untap phase, if a player's library is empty, he or she must 
choose one of the libraries from the toy chest to be her new library 
(and immediately draw back up to his or her hand size, if necessary. 
If this empties the new library, then the final library is taken from 
the toy chest as well).

The player may not attempt to withdraw until all three libraries are 
exhausted.

That's it.

Thoughts or suggestions?

[1] http://www.io.com/~mlangsdo/RPGs/Jyhad/Variants/Mixed.html

--
L. Scott Johnson (sjohnson@math.sc.edu)
http://www.math.sc.edu/~sjohnson