Decks that do free-equips are more likely to be invested in Double Strike, and therefore using treasure making equipment or Sword of Hearth and Home
How exactly did the flip cards come into being
High Utility, Low Price Blood Artist Mathas, Fiend Seeker Bloodsworn Steward Falkenrath Noble Butcher of Malakir Go for the Throat Crackling Doom Disrupt Decorum Merciless Eviction Boros Signet Rakdos Signet Orzhov Signet Heirloom Blade Worn Powerstone Well of Lost Dreams Outpost Siege Vampiric Bloodlust really made use of the lifegain/aristocrats nature of Vampires to put together a list of solid cards that could easily go elsewhere
Slinn Voda, the Rising Deep is also a pretty solid inclusion for decks playing Krakens, Leviathans, Octopuses, and Serpents, acting as another copy of Whelming Wave that also happens to be attached to an 8/8 body
For 4 mana without haste, this elemental shaman is hard in Modern, but it does draw a card with each spell if youre hellbent