sword and shield secret rare cards Grimmsnarl V - 114/189 Storm Emeralda Secret Rares have

Inspirit's first effect, once it has just one charge counter, helps you to power up all your other permanents that want charge counters

Why not slam down a huge trampler that draws a dozen cards when it enters

However, to access this, you first need to evolve Staryu

Previously, premium cards replaced a card of the same rarity, so a premium rare would replace a standard rare, a premium uncommon would replace a standard uncommon, and a premium common would replace a standard common

There's also a secret Mew card hidden in the game that's not super difficult to get

It would fit well in an Osgir, the Reconstructor deck