Your search for "Guardragon Elpy MP20-EN021" revealed the following:
Guardragon Elpy - MP20-EN021 - Prismatic Secret Rare - 1st Edition from 2020 Tin of Lost Memories 1st Edition, available at 401 Games Canada. Rarity: Prismatic Secret Rare Card Text:1 Level 4 or lower Dragon monsterYou cannot Special Summon monsters,...
Guardragon Elpy - SAST-EN051 - Super Rare - 1st Edition from Savage Strike 1st Edition, available at 401 Games Canada. Rarity: Super Rare Card Text:1 Level 4 or lower Dragon monsterYou cannot Special Summon monsters, except Dragon monsters. During your...
Guardragon Elpy - SAST-EN051 - Super Rare - Unlimited from Savage Strike Unlimited, available at 401 Games Canada. Rarity: Super Rare Card Text:1 Level 4 or lower Dragon monsterYou cannot Special Summon monsters, except Dragon monsters. During your Main Phase:...