Early turns generate cards from cheap spells opponents cant afford to tax, while equipment and pump effects follow, increasing the tax rate to prohibitive levels
Quite the opposite is true and many defender creatures have great utility or make great blockers
However, weirdly enough, its also sometimes the best card against soft graveyard hate like Relic of Progenitus and Soul-Guide Lantern, as you can quickly rebuild a graveyard to fuel a Murktide Regent if your opponent has exiled your graveyard earlier in the game
Personally, I prefer the first and think the third is broken but the second is a nice compromise
Cardhoarder deck editor While it may seem simplistic, its intuitive interface makes it one of my preferred methods for tracking my collection on MTGO
Theres a solid chance that as Tarkir: Dragonstorm ages, all the Spirit Dragons will go up in price too, making it a solid future investment