You can block with it, flicker it, or sacrifice it, and youll get a card when it dies
Video Tips If you need an easier method, its perfectly fine to spread the cards on the table and mix them together with your hands.Thanks Practice always makes perfect
The Bloom player would tap all their lands, sacrifice them all, then Natural Balance, effectively making ten more mana
Her attack trigger removes all the counters from a single permanent, so it could kill quite a few planeswalkers or send to the grave some creatures with base power and toughness of 0/0 (which generally come in with counters on them, like Spike Feeder)
Sheltering Ancients cumulative upkeep asks you to put +1/+1 counters on your opponents creatures
SKRELV / MOTHER OF RUNES / GIVER OF RUNES Its very hard to pick the best of these one drops, but I am increasingly leaning toward it being Skrelv in quite a few decks