So let's take a look at the Top Ten list and then move on to the next level of cardage
Whenever a time counter is removed from the card while it's exiled, you create a 2/2 red-and-white Dinosaur token with Flying and Haste
7 Forsaken Crossroads & Second-Player Cards Gemstone Caverns references the starting player, but only in your opening hand
Still, brackets one and two exist for a reason, and this card will perform with exactly the kind of big, splashy play that those power levels are known for
Clerics and warriors are the easiest party members to fill, so this card doesnt add much support other than the lifegain
"Period A1 to A1a" is similarly listed as already begun but ends December 16, so players should perhaps expect a smaller card drop then