Enduring Tenacity is the best of the bunch, as its a mana cheaper than Sanguine Bond, an EDH staple
Angel Cards Angel cards in Magic: The Gathering bring powerful tribal synergies and unique strategies to the battlefield
The Guildgate cycle is pretty cheap on the cost, and I doubt this will be too pricey, so this is a nice budget mass color maker there
Getting to Max Speed is incredibly difficult, but Vnwxt does offer an ability that makes it worthwhile
The addition of Red to the possibilities means that we can take advantage of cards like Devastating Summons, Feldon of the Third Path, Flameshadow Conjuring, and Godsire to create either massive creature tokens or copies of tokens that were meant to only last the turn, but can now stick around
If a creature card was exiled this way, each opponent loses 2 life and you gain 2 life