Overconfident only does 10 damage for 1 D Energy, but if Sableye has more remaining HP than the opponents active Pokmon, it will do 40 damage, or 50 with a Special D Energy
Since "Gimmick Puppet" is mainly comprised of DARK Machine monsters, this renders them vulnerable to common counters that other DARK, Graveyard-dependent Decks have (namely "Shadow-Imprisoning Mirror", "Bystial" monsters, "Abyss Dweller", "Necrovalley", "Macro Cosmos", "Dimension Shifter" etc.)
Its definitely worse than either, even with the ability to tap without damaging you, but that just gives budget EDH decks a new tool to improve their mana bases
Wrap Up Deflecting Swat | Illustration by Greg Staples As you can see, target-changing spells come in a variety of mana values and colors, even though their effect is ultimately the same