
{T}: Add {U}. This land deals 1 damage to you.
Threshold — {U}, {T}, Sacrifice this land: Target player draws three cards, then discards three cards. Activate only if there are seven or more cards in your graveyard.
Cephalid Coliseum has 5 printings, first in Odyssey (2001). EDHREC ranks it #858 among Commander cards. It appears most in Teval, the Balanced Scale decks (19,224 on EDHREC). 1 public deck on TCG runs it.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.