Heliod, Sun-Crowned (Theros Beyond Death) This has made waves in a few formats now, owing to his ability to combo with Walking Ballista and win the game
Entering the battlefield with four loyalty, this Ajani's +2 is solid, netting you up to three additional cards in your hands while filtering out unwanted land, while its -2 functions as exile-based removal
"Double-Faced Card Rules"
Vraska can petrify a creature with its -2 or tick up its own loyalty while drawing a card with the 0 ability
The tokens copy exactly what was printed on the original permanent and nothing else (unless that permanent is itself copying something else
The borderless version features art by Chris Rallis, while both the standard and showcase frames have four variations of the same piece by Yongjae Choipresumably showing Teferi in different states of controlling time