Beastmaster Ascension doesnt add +1/+1 counters, but with so many Elves expected to attack, this Enchantment is a must-have to turn your Creatures into behemoths
I see it as a conditional 1 cmc ramp spell in White, a color sorely lacking in ramp: for 1 mana and a relatively easy flip condition, you get a land that has an extra mode as a cherry on top
The great thing about Academy Ruins is that you don't have to sacrifice it to use its ability, letting you repeat it over and over again
Conjure is an Arena-focused mechanic that automatically creates copies of specific cards to add to your library
They might not always have access to green for ramp, either, so you are immediately hit with a curveball in your deckbuilding process
+1/+1 counters are about growth, which is basically infinite