Gruntz:

You begin the game with:
No.
X
Y
 Grunt
1 6 14 Barehanded
Shovel
Gauntletz
Shovel
Gauntletz
Shovel
Gauntletz
Shovel
Gauntletz
... endz as Shovel .
2 12 10 Barehanded (resurrected )
Boomerang
GooberStraw
... endz as Warpstone .
3 32 8 Barehanded (newly baked )
... endz as Springz .
4 32 8 Barehanded (newly baked )
... endz as Gauntletz .
some of which will exchange Toolz (or acquire one they didn't have to start with).