One subtle thing here is that Copy Land counts as land acceleration even if youre just copying a basic Island, and I imagine lots of blue Commander decks will love running this for that reason alone
In the next shot, Ursula Deceiver of All holding the Trident reaches for a Crown, facing another Ursula
You could probably replace at least one of those with something like Tidal Terror, which gets you an Island and a CMC 6 relevant creature into the graveyard
The way it is worded now, its destruction effect activates regardless of how it is destroyed (face-up, Set, from the hand or even in your Deck), as long as a Spell Card is responsible for its destruction
Patent No
On the off chance this card is destroyed while its set, the player can special summon an Unchained directly from the deck