Sure, Ephemerate is aggressively costed, but it cant untap your lands, untap your mana rocks or perma-steal creatures youve temporarily gained control of
When you discard three, youll then discard the two dredge cards and another card
"How to play Magic: The Gathering your beginner's guide to mana, cards, and combat"
You can always "bracket decks up," meaning you can note that your deck meets the description of a Core (Bracket 2) deck but plays like an Upgraded (Bracket 3) deck, so you should bracket it at Bracket 3
And the beavers are just hanging out in a cave you're traversing, and when you meet them your party member named Guy goes up to one of the beavers and says, "Guy speak beaver." And then the beavers move aside to reveal a secret tunnel