Pokemon Wonder - PSA 10 - 2003 Pokemon ex Ruby & Sapphire 48 Wailmer
It's just 2 mana to play this, so it seems like a good early curve filler in a treasure based deck, as you generally would want other treasure generators for this to work well, similar to the other Magda
What I love about this sideboard is that the deck remains focused on its game plan even after the sideboard cards come in
Akroma's WillAkroma's Will (241,092 Inclusions, 9% of 2,556,456 Decks) If we've established that five or six is the going rate for giving all of your creatures double strike, then Akroma's WillAkroma's Will is beating that rate to death with a hammer, providing not only double strike but a smorgasbord of every other keyword, as well
For example, I can type Inteleon VMAX to get a filtered list of trades containing that specific card
One of these is a printing of Fire Energy