mtg cards that give negative counters Positive/Negative Dice for Magic: The Gathering 12 Pack – Kraken Dice 1/-1 counter - MTG Wiki

Its weird at first to get random effects from your creatures, but it's nothing that hasn't been tried before- and that means it works well

The starter deck comes chock-full of exciting features: 2x Foil Trading Cards - Featuring Anna & Hercules 58x Trading Cards to Form a Starter Deck 11x Damage Counters Paper Playmat Paper Tracker Token Game Rules Booster Pack Each Booster Pack Contains: 12x Disney Lorcana Trading Cards

That means you can still throw them into a blender for other sacrifice outlets, like Blood Artist or Phyrexian Altar if you need to

I wouldnt say they are great, but you get to play Magic until one of your big threats takes over

You can kill an opponent in three hits with Andril, Flame of the West equipped