Tying card draw and Lifegain to a sacrifice outlet is pretty good
Reconfigure only as a sorcery
Its also an artifact itself and that can have synergies with Emry, Lurker of the Loch and other similar kinds of shenanigans
If Compy Swarm leaves the battlefield before its triggered ability resolves, the token will still enter the battlefield as a copy of Compy Swarm, using Compy Swarm's copiable values from when it was last on the battlefield
A 2/2 with trample and haste isnt amazing for 3 mana, but the fact that it fetches a basic land by doing combat damage to an opponent is, especially in the early turns of a game when boards might still be devoid of blockers
On the other hand, Melira, the Living Cure states that no matter how many poison counters you would get in a given turn, youll actually only get one