battle styles pokemon booster pack TCG: Sword & Shield Blister with 3 Packs (Random Draw) : Toys & Games flowing and focused style Pokemon Sword & Shield Battle

While it isnt free like Zimone, theres no limit to the amount of times you can do it in a turn, so you can build up your 2/2s and flip them all at once to take the win.

If a leveler gets level counters due to some other effect (such as Phyrexian Seedling's proliferatelink ability) or loses level counters for some reason (such as Vampire Hexmage's ability), its level is changed accordingly

(At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters, it deals an amount of damage of your choice to you and target creature

Due to this, the cheapest youre going to find the card is around $42 right now

This triggers on attacking creatures you control dying but notably also on blocking creatures your opponents control, regardless of who is attacking them