pokemon tcg pocket potion card - Pokemon League Promo 128a/145 Item Rarity Potion - FireRed & LeafGreen

But, I opted to just choose those that are directly related to the top meta decks prior to the bannings

Invasion of Shandalar / Leyline Surge Invasion of Shandalars effect is a decent enough recursion spell, but if you manage to transform it (and keep Leyline Surge from being destroyed) you can cheat any one permanent in your hand onto the battlefield per turn, which can be absurdly good

This is certainly a card I want to get into the archetype

Serrated Arrows were playable for the same basic reason that Aeolipile, Nevinyrral's Disk, or Quicksand were playable

A combat trick is a very powerful way to get card advantage or removal, even both sometimes, alongside gaining tempo