Either (A) they picked a stronger card in the Abzan colors (perhaps possible for the player who opened the pack if there was a bomb rare) or (B) they aren't drafting Abzan (more accurate is to say that they weren't drafting Abzan at the time they made the pick)
If an effect allows an opponent to cast spells any time they could cast an instant (for example, if your opponent also controls Teferi), the restriction of Teferi's last ability takes precedence over that permission
This is why Im giving it the number 1 spot Just think of how many Commander games have the strongest plays starting with turn 1 Sol Ring
(While its prepared, you may cast a copy of its spell
Looting is always stronger than rummaging, but the ability to see new cards is always valuable
There are two 30-card decks that youll initially square off with, including Mickey and Elsa in one, and Stitch and Maleficent in the other