How about TM's for the best weapons for each character? I'll have to use Ultra Hammer for Mario, though...
Frying Pan
Technical Machine
Attach Frying Pan to one of your Pokemon with Peach in its name. At the end of your turn, discard Frying Pan. The Pokemon Frying Pan is attached to may use this attack:
(C)(C)(C) Pan Smack 40+
Flip a coin. If heads, this attack does 40 damage plus 40 more damage.
Sonic Cymbals
Technical Machine
Attach Sonic Cymbals to one of your Pokemon with Mallow in its name. At the end of your turn, discard Sonic Cymbals. The Pokemon Sonic Cymbals is attached to may use this attack:
(C)(C)(C) Crashing Cymbals 40+
Flip a coin. If heads, this attack does 40 damage plus 20 more damage and put 2 damage counters on each of your opponent's Benched Pokemon.
Star Gun
Technical Machine
Attach Star Gun to one of your Pokemon with Geno in its name. At the end of your turn, discard Star Gun. The Pokemon Star Gun is attached to may use this attack:
(C)(C)(C) Star Shot 40+
Flip a coin until you get tails. This attack does 40 damage plus 20 more damage for each heads.
Ultra Hammer
Technical Machine
Attach Ultra Hammer to one of your Pokemon with Mario in its name. At the end of your turn, discard Ultra Hammer. The Pokemon Ultra Hammer is attached to may use this attack:
(C)(C)(C) Hammer Smash 40+
Flip a coin. If heads, this attack does 40 damage plus 20 more damage and your opponent switches the Defending Pokemon with one of his or her Benched Pokemon, if any.
Drill Claw
Technical Machine
Attach Drill Claw to one of your Pokemon with Bowser in its name. At the end of your turn, discard Drill Claw. The Pokemon Drill Claw is attached to may use this attack:
(C)(C)(C) Drilling Slash 40+
Flip a coin. If heads, this attack does 40 damage plus 30 more damage. Either way, ignore any effect, including Resistance, that would lower this attack's damage.