Speaking of which, escalate is a better mana sink than entwine the same way that multikicker is a better sink than kicker, because it offers granularity via multiple tiers
You can sometimes "splash" a third, playing two colors as your base and a couple powerful cards or additional costs of another color, but I'd really focus on the two colors you want here
Commander Masters brings with it a horde of much-needed reprints to Magic: The Gatherings most popular format, as well as some incredibly interesting new cards via its actual Commander decks
[177] Wizards released a commemorative product, Magic: The Gathering 30th Anniversary Edition , for $999
You dont have that many creature-focused decks in blue, but when you pair this blue enchantment with white or red, you can suddenly draw a bunch of cards