And as long as youre playing Super Polymerization, you might as well run a card like Magistus Chorozo, who can use almost any Extra Deck monster your opponent has as material and isnt embarrassing to summon like Sea Monster
So you could grab yourself a Machamp Base Set deck for a modest amount of cash and start from there
For example, its much harder to get a card that you need when you need it if you have 99 cards to swim through to find it
Creatures (27) 4 Mother of Runes 2 Mangara of Corondor 2 Aven Mindcensor 3 Flickerwisp 4 Stoneforge Mystic 3 Mirran Crusader 4 Phyrexian Revoker 1 Fiend Hunter 4 Thalia, Guardian of Thraben Lands (23) Spells (10) Decks like Ari Laxs Death and Taxes could use Mother of Runes to pressure opposing removal spells, protect ones self from opposing attacks, or just force through some damage
could use keywords 4 Small World If you can see any Small World line on the spot, then you have my respect
(Japanese Pegasus thinks Yugi's like a small animal struggling in his hands