A battle pass allows you to earn additional rewards for playing the game, on top of the awards you were already earning
The next thing to know is that regeneration isnt revival
It's an effect that's mimicked on other cards, but that doesnt stop it from being a good option
It's a small distinction, mind you, but it does make all the difference
Think about it: rogues hit someone fast and hard, sift through their data (represented by milling), and steal their intel (represented by drawing cards if they mill creatures)
Kessig Woodlands Plane: Innistrad Once per turn, you may pay , if you do, target creature you control gets +X/+0 and gains Trample until end of turn