Four-mana, discard-twos are problematic because they are slow enough that your opponent could be empty-handed by the time it hits the battlefield
it was designed to work in Two-Headed Giant matches, where your partner's Warriors that connect in combat would trigger this ability
This tribal helper will allow you to tap a trifecta of zombies to draw one and discard one
If that target destroys a monster by battle and sends it to the GY: Inflict damage to your opponent equal to the destroyed monster's original ATK
This card holder is ideal for TCGs up to 100 PT in thickness, such as One Piece, Pokmon, Lorcana, Yu-Gi-Oh!, Magic: The Gathering, and sports trading cards
Thats why its played in versions with four Caverns in the maindeck (but the version is bad, so you shouldnt add bad enablers only to justify playing it)