Take this unique shell from ChelliD, who went 4-1 in a Standard Champs Qualifier with four copies of Golgari Guildgate: Creatures (4) Planeswalkers (14) Lands (25) Spells (17) 2 Thoughtseize 3 Abrupt Decay 1 Ultimate Price 2 Devour Flesh 2 Far 3 Hero's Downfall 2 Dissolve 2 Bile Blight Sideboard Its hard to measure precisely how much better this deck would be with such a simple upgrade, but I imagine it would be substantial
Lets say you have Krark, Sakashima cloning Krark, another Krark copy, and three Thumbs
But ask anyone who played Standard when Teferi, Time Raveler (T3feri to his friends) was king, and they'll tell you: he's a villain through and through
But let me explain myself
Super Polymerization can be run up to 3 copies if the player so wishes
If this Digimon has 5 or more digivolution cards with different names, you may reduce the play cost by 4 instead