For eight mana, Archetype of Endurance grants all your creatures, including itself, hexproof, but more importantly, it strips hexproof from your opponents and prevents them from gaining hexproof as long as it's in play
This is the go-to Sisu for Ruby decks since she not only quests for three, but instantly banishes any character with two or less power
6 A "Lifetime" Pass Holder Never Stays Dead For Long A 2/1 for one mana is already decent, even if it's less impressive in Commander , but the ability of a "Lifetime" Pass Holder to recur themselves from the graveyard for free has a lot of uses, especially given the various ways to tinker with rolls to improve the odds of a six
Bring the image, and we'll handle the rest
Fiend Artisan holds our deck together, allowing us to sacrifice creatures (and trigger Death's Oasis) to tutor out whatever creature we happen to need in a given situation
Well of Lost Dreams ($3.77) and Dawn of Hope ($0.55) let you pay to draw whenever you gain, and Alhammarrets Archive ($10.55) doubles both your lifegain and your card draw