booster box conspiracy take the crown MTG (36ct) (CNS) : Toys & Games Conspiracy set Conspiracy: Take the Crown Booster

For four mana, this Golgari (black/green) Human Shaman provides its controller with an experience counter whenever a creature they control dies

Use Friends from the Other Side when your hand is empty and preferably while your opponent is holding key cards in their hand

Take the concept of +1/+1, -1/-1, or level up counters to the next step and you have permanent alterations to a card, or what MTG Arena calls perpetually

This card also has Proliferate, meaning you can choose any trait that you or your opponent have, and add one to its count

A couple of tutors like Personal Tutor and Scheming Symmetry ensure you have whatever cards you want to cast perhaps Expropriate to get some extra swings in, Breach the Multiverse to build an imposing board state, or Mnemonic Deluge for an encore of your greatest hits