Turning the targets into treasures is certainly a drawback since it gives players the option to turn their useless card into mana, but ironically players will often crack their treasure and lose the opportunity to get their card back when Kitesail Larcenist leaves the battlefield
You can only use each effect of "Bystial Dis Pater" once per turn
Its still a 6-mana planeswalker that essentially does what you could be using Double Vision to do instead, but you cant disregard the extra abilities here
It also looks like a Chaos Spacemarine got lost on Ixalan, which is kinda rad (as in radical, not rad counters)
Enchantment players are suffering.) There were some enchantment cards of note, but a fun new line of rules text acquired in this time was When ~ is put into the graveyard from the battlefield, return ~ to its owners hand. This line of text is especially famous on Rancor, a card that was changed last minute and turned out to be more powerful than expected
And when it dies we create two 2/2 tokens that both ping a target for 1 when we cast instants and sorceries