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
Sometimes that creature already belongs to you, and you want to make it even scarier by turning it into a Dragon and giving it a bunch of keywords, but other times we're only casting this Aura because of the word "goaded." Eye of Nidhogg's real power, though, is that second ability
So you could grab yourself a Machamp Base Set deck for a modest amount of cash and start from there
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