yugioh secret rare cards The Most Valuable Starlight In Yu-Gi-Oh! Dragon/Fusion List of Secret Rare cards

2021-02-05 A planeswalker is dealt excess damage if its dealt damage greater than its current loyalty

C Common Winged Kuriboh LV10 X LIGHT Level 10 [ FairyEffect ] ATK 300 DEF 200 Cannot be Normal Summoned/Set

Companion originally let you cast a single creature from your sideboard if you fit a specific condition, but its immense popularity across every format in the game led to decks needing a Companion to participate

Non-Serial Movie: Toei made a 30 minute movie after the cancellation of the anime

PS: My overview on CubeCobra is woefully out of date.

Mandate of Abaddon, is a four mana board wipe that lets your biggest creature stay alive