Thats an incredibly powerful effect worth building entire decks around
Suffice to say, paying no mana for Zombie creature spells is pretty strong, and a must-have for any Zombie-themed Commander deck
Tarkir: Dragonstorm - Endure Best card: Warden of the GroveWarden of the Grove Runner-up: Anafenza, Unyielding LineageAnafenza, Unyielding Lineage To endure X, a creature either puts X +1/+1 counters on itself or you create an X/X white Spirit creature token
White also gets some card draw this set
If you have consistent and reliable bounce the Drake is vastly better than Vedalken Shackles as it is cheaper, safer, more permanent and allows for multiple steals all at the same time
While they can often be more expensive than cards with colored mana costs, they make up for it by being able to be included in a wider range of decks