Your search for "nimble beaver mp18-en129" revealed the following:
Nimble Beaver - MP18-EN129 - Common - 1st Edition from 2018 Mega-Tin Mega Pack 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:When this card is Normal Summoned: You can Special Summon 1 Level 3 or lower "Nimble"...