Flusterstorm (Buy-A-Box) [Modern Horizons] 107a you may put a creature

you may put a creature card with mana value less than that creature's mana value from your hand onto the battlefield tapped and attacking

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

Set: Commander 2019 Type: Creature — Dragon Rarity: Rare Cost: {4}{W}{U} Flying

the Giant Spider often chooses not to paralyze its victims

you get one that crosses over from mischievous to malicious

Flusterstorm (Buy-A-Box) [Modern Horizons] 107a you may put a creatureSet: 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.)