If you have the extra mana, you can do it all
Yoshimaru, Ever Faithful (EA $12, Magicfest $30, SLD 2021 $80, 15k as partner and 30k as card) Arcane Signet (tons, all the decks) Sol Ring (tons, all the decks) Lightning Greaves (50 printings, most borderless are $5-$10, 2 million decks) Patchwork Banner (pack foil $8, 307k decks) No, seriously, Signet has 80 printings and Sol Ring has 122
You've got rummages for days if all you care about is synergizing with discard, but the elder dragon's greater appeal is what you're drawing , offering heavily discounted miracles on big instants and sorceries you draw
Wicket, look out
Instant access to the exact card you need will usually have a significant impact on the board state, up to and including a chance to win the game outright
He says it's good for digestion