Orvar's deck works best with cheap single-target spells such as Cerulean Wisps, Twiddle, and Mind Games for the sole purpose of making token copies
It spits out 1/1 robot tokens when you cast artifact spells, then it has an activated ability that gives your creature tokens haste for the turn
Firkraag, Cunning Instigator Firkraag, Cunning Instigator does a ton of work in any dragon deck that likes to get aggressive
The best creature type is hard to define, but some metrics can be used to narrow it down: If youre looking for creature types that make good creature-focused (i.e., typal) decks then you probably want goblins, humans, or elves
Words like Revelation often signify card draw in Magic: The Gathering, so this could be a new two-mana black draw spell