Its both on-theme for the card type and very flavorful, so Im surprised that Shipbreaker Kraken is the only one with the mechanic in existence
(Create an Incubator token with three +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) Whenever a Phyrexian you control dies, surveil 1
But as long as Ragavan, Nimble Pilferer and Lurrus of the Dream-Den remain to be Tier 1 strategies in the field, theres a good reason to sleeve up the instant speed removal spell
Sunburst abilities always say this card enters the battlefield with a certain condition. We can say that converge is an evolved, more flexible sunburst
These are meant to be on-ramps to Commander, with a few new cards and the rest reprints
Davriel also uses the perpetually and conjure mechanics, further solidifying him as a planeswalker not meant for paper in fact, Historic Horizons will have a "digital-first" Planeswalker for every color, each with a themed pack of their own