When you incorporate a character, either as a creature or a planeswalker, make sure to have that character be the focus
When its summoned, you get to draw a card, giving you an extra resource you might need to summon those big boss monsters
A well-drafted deck with an appropriate sideboard can alleviate this problem, but in most scenarios, you don't want to include cards like Disenchant in your main deck unless you are certain that you are playing in an artifact and enchantment heavy meta
7 Sol Ring - Elven - Commander: The Lord of the Rings: Tales of Middle-earth Mythic Rare - $674.87 Sol Ring might not strike you as a particularly valuable card, but over the years Magic has taken to printing multiple special variants of the card for different occasions
Beasts Whisperer/Primordial Sage/Soul of the Harvest/ Zendikar Resurgent This section is for cards that care about creatures being cast once theyre on the battlefield
Those cards can be a bit slow in more self-mill/reanimator focused GB decks, so Undergrowth Recon provides some free value for otherwise engaging with your gameplan