The mutate ability allows you to further utilize Otrimi: because it can be mutated sooner than you could cast it otherwise, it can also attack sooner
Sometimes they go for softer mass-rummage effects instead, but theres usually a slot in new sets dedicated to sculpting a new hand
This can and does cause downtime for the websites, which makes their resources inaccessible for everyone
There is so much to work with for those of us who love control, especially in the traditional colors of that deck type
Its still Aura focused with Kor Spiritdancer and Sram, but we dont have white ramp auras for lands like in Green, so deck quality ends up diluted by adding ramp in other ways
Urza, Lord High Artificer does it all: It generates obscene amounts of mana, gives you an outlet for infinite mana, and even combos with cards like Winter Orb and Static Orb to lock your opponents out of the game