If a token has to move to the graveyard, hand or any other zone, even temporarily, it vanishes forever and unless it was on its way to the graveyard, it wont even count as having died
Opt and Consider are known as cantrips: cards that, besides their other effects, draw you one card
Creatures (24) 4 Reflector Mage 2 Archangel Avacyn 4 Thraben Inspector 4 Spell Queller 2 Filigree Familiar 4 Toolcraft Exemplar 4 Gearseeker Serpent Lands (24) Spells (12) This build might still be trying too hard, but theres something there Getting four Energy from one card is cute, but even if we wanted it that badly, we could get it more efficiently from Woodweavers Puzzleknot, Glassblowers Puzzleknot, Consulate Surveillance, Confiscation Coup, or Aethertouch Renegade
Even though many of the dredge creatures are individually mediocre, the fact that your opponents may be loath to kill them so you can dredge again lets them punch above their weight