The deck wizard could provide more options for my taste, particularly with trainer cards, but it provides a good starting point for those who want to build a deck around a couple of cards, and to then iterate from that
If you transform an Incubator the same turn it enters the battlefield, the transformed Phyrexian creature will have summoning sickness and not be able to attack
Or do you want something slower and more methodical
Now let's have some for Alolan Ninetales, Volcarona, Dragapult, Kommo-o, Eelektross, and Grumpig
A "Classic deck" would be either a deck that only used cards from the most recent core set or a deck that used cards from throughout all of Magic 's history
An area to look to improve is the manabase