Flusterstorm (Buy-A-Box) [Modern Horizons] 107a target creature's owner puts it

target creature's owner puts it on the top or bottom of their library

put that many +1/+1 counters on Primal Adversary

and the wisdom we share

Set: Secret Lair Drop Series Type: Artifact Creature — Construct Rarity: Rare Cost: {X}{X} Walking Ballista enters the battlefield with X +1/+1 counters on it

the land withers

Flusterstorm (Buy-A-Box) [Modern Horizons] 107a target creature's owner puts itSet: Modern Horizons Type: Instant Rarity: Rare Cost: {U} Counter target instant or sorcery spell unless its controller pays {1}. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)