Buttonmen 101

basic question -- which die should I take? not at all hard, but a basic computation. This would be in chapter 1 of my graded buttonmen-puzzle book

Button Men Game #721205
Tournament Legal challenge, copying communication from game 720250

Skills in this game: Stinger, X Swing

Player: ElihuRoot *Dead Dude* *Fanatic*
Your Button Man: Clare (6 8 8 20 X)   Score: 49 (-3.3 sides)   Rounds Won/Lost/Tied: 1 / 1 / 0 (Out of 3 wins)
Your Captured Dice: 20-sided die, 12-sided die, Stinger 10-sided die

6-sided die	8-sided die		8-sided die
4	1		3 Captured last turn
Stinger 8-sided die	X Swing (with 4 sides)
3	4

Opponent: Limax *Wombat* *Is a MAN* *Fanatic*
Button Man: Buck (g8 g10 12 20 X)   Score: 54 (3.3 sides)   Rounds Won/Lost/Tied: 1 / 1 / 0
Captured Dice: 20-sided die, X Swing 20-sided die, 8-sided die

Oh, it's so good to be back! But how do I play this game, again?

if I TAKE the rage button, I'm giving him an extra die,  if I DON'T take the rage button he'll get one more change to avoid rolling the 20-sided die for sure.
Button Men Game #721061 

Skills in this game: Rage, X Swing

Player: ElihuRoot *Dead Dude* *Fanatic*
Your Button Man: Brigid (8 8 X X X)   Score: 48 (-8 sides)   Rounds Won/Lost/Tied: 0 / 0 / 0 (Out of 3 wins)
Your Captured Dice: 20-sided die, 10-sided die

8-sided die	8-sided die	X Swing (with 20 sides)		X Swing (with 20 sides)
6	7	9		3 Captured last turn
8-sided die	Rage 12-sided die	20-sided die
1	7	19

Opponent: dakeyras *Lamb*
Button Man: Reggie (8 10 12G 20 20G)   Score: 60 (8 sides)   Rounds Won/Lost/Tied: 0 / 0 / 0
Captured Dice: X Swing 20-sided die, X Swing 20-sided die