Is Ardyn, the Usurper legal to play
So what tends to happen is that eager beavers will trade for a couple of pieces from some exciting new deck (generally right after they see it perform well on stream and the prices are at their highest) only to give up once they realize, holy mackerel, Vengevine is itself a $50 card and Leyline of the Void is up to $60 and you need a playset of Arid Mesa and wait, how much is Blackcleave Cliffs these days
Once per turn, if a card(s) you control would be destroyed by battle or card effect, you can send 1 Fusion Monster that mentions "Fallen of Albaz" as material from your Extra Deck to the GY, instead
Get a head start filling it up with 4 booster packs from the special Scarlet & Violet - 151 expansion
Diabolic Intent Diabolic Intent is in first place
Like the original Moat, Teferi's Moat is a card that a large percentage of decks simply cannot beat, and it puts many others on only a handful of outs