For example, Lier, Disciple of the Drowned gives all your graveyard spells Flashback and Katilda and Lier can grant flashback to spells in your graveyard when you cast Humans
Vanish Lands and Rooftop Lands Frasier says one of the best parts about designing this set was the breadth of TMNT iterations to draw upon for card art, and in the card below Turtles Forever you can see that on display as it features a different iteration of each turtle: She adds that Nickelodeon, which owns the Turtles IP, was "incredibly supportive" of Wizards of the Coast creating its own iteration of the Turtles, and if you see art that isn't from a previous iteration, it's Magic's own take on the mutants
Essentially, while the red aggro deck's win-rate was only just above 50%, it seemed to be too format-warping in how much it dictated players' sideboarding choices
There are no life totals, so don't worry about that
By sacrificing a creature, it covers the entire cost of the ability