yugioh stardust accelerator decks / Synchron Deck from 𝓥𝓮𝓬𝓽𝓸𝓻 5D's Stardust Accelerator Promotional Cards

Its best effect activates when an opponents monster attacksBrunhilde loses DEF and makes all Valkyrie monsters immune to battle destruction for the remainder of the turn

Valley Mightcaller might not be a squirrel itself, but it grows any time a Squirrel enters, and that includes tokens

Following was just grinding out Trickstar cards by repetitively playing against Blue Angel in the Duelist Challenges

Cards with effects that send a monster from the Deck to the Graveyard, such as "Foolish Burial", are used to populate the Graveyard with "Skull Servant" and cards treated as such in order to increase the ATK of "King of the Skull Servants"