What makes him very strong is his metalcraft to equip for free all day long if you control at least three artifacts, which is so easy since it counts lands and tokens, and with the card draw combined with that free equipping, he is an Equipment essential
(Additionally, some of these effects are often built into tribal rewards on creatures for the tribe, such as Heron's Grace Champion being a combat trick in addition to also being a creature.) Additionally, there are cards that want your deck to have a higher overall count of a creature type to make sure they work more often
So, its the final duel against Odin, and the red and white robot is using a Fairy-theme Deck reliant on the easy summon of strong LIGHT monsters through the use of Spell cards
One way to keep your vampire army alive (provided it's not a 1/1 or a token) is to have Dusk Legion Sergeant on the board
This concept takes my own short-lived weird idea of running Salandit, and originally just Salandit sans any Stage 1, solely for its synergistic 1 Energy attack, and combines it with @Revolsin's much more intelligent insistence, at the start of Mythical Island and proven right since, that Scolipede was a distraction and Muk was still where it's at for poison attackers
Green happens to have some of the best in the game, but it also has a very wide selection to choose from