If a permanent wasn't put into your hand from the battlefield before your end step begins, Barrin's ability doesn't trigger at all
You use a deck of 100 cards led by a legendary creature, your Commander
#6: Urza, Lord High Artificer and Yawgmoth, Thran Physician Ive decided to lump these two cards together, not for flavor reasons, but for the fact that they are both powerful Humans that ultimately serve a similar purpose: providing a slightly powerful card advantage engine to help Humans stand a better chance in the late-game in grindier matchups
And compared to an all-in recursion deck like Dredge, hate cards like Rest In Peace are only going to slow you down a little rather than exile your whole gameplan
It costs five colorless mana to use and has an ability that allows the player to tap any number of Creatures within the player's control with a total power of 2 or more
There are so many different directions to go with the two colors with no obvious best path