Skullcage

Artifact - (uncommon)

At the beginning of each opponent's upkeep, Skullcage deals 2 damage to that player unless they have exactly three or exactly four cards in hand.

Only a focused mind can survive it.

Price

cardkingdom 0.39

cardmarket 0.09

tcgplayer 0.27

cardsphere 0.28

manapool 3.17