As soon as Gothitelle starts using Black Magic, be ready to use Skyla, VS Seeker, and Target Whistle, as described in the discussion of Shiftry
Toon Mermaid
Maybe you should make it instantaneous, but making the monster summoned be banished during the End Phase and having to banish one additional "Myrul" card (yep, card) as cost
She then asks her guards to bury the body in the grave she had already prepared, knowing full well in advance what Ervos was going to do
[1] You can reveal this card in your hand: Add 1 "Sacred Beast" Trap from your Deck to your hand, then discard 1 card
Beyond that, I dont often play Jund decks, so playing using Coram is a nice way to dredge up many cool cards not often utilized from my collection (in more ways than one)