Unicorn Cards - Primo uses a "Wisel" Deck, focused around his "Meklord Emperor Wisel". Primo's main method of Summoning it is through using "Wise Core", using cards such as "Spark Breaker", "Explosive
meklord v2 - YGOPRODECK
Wisel Mat Farm - 100 Summons in 5 Duels! : r/DuelLinks
YGOPRO】Meklord Deck New Support Meklord Emperor Wisel – Synchro Absorption Duel Overload - YouTube
Yugioh Tournament Ready To Play Meklord Deck 40 Cards Emperor Wisel Granel Skiel | eBay
Wisel Desperado : r/DuelLinks
any way to make anime meklords usable? - Yu-Gi-Oh! 5D's World Championship 2011: Over the Nexus