Cephalid Coliseum [From the Vault: Realms] New Phyrexia Promos if an opponent controls more

if an opponent controls more creatures than you

Set: Shadows over Innistrad Type: Artifact — Equipment Rarity: Uncommon Cost: {4} Equipped creature gets +2/+2

Set: Alpha Edition Type: Enchantment Rarity: Rare Cost: {R}{R} Whenever one or more creatures you control attack

−6: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}

Set: Magic 2014 Type: Instant Rarity: Rare Cost: {W} Your opponents can't cast spells this turn

Cephalid Coliseum [From the Vault: Realms] New Phyrexia Promos if an opponent controls moreSet: From the Vault: Realms Type: Land Rarity: Mythic {T}: Add {U}. Cephalid Coliseum deals 1 damage to you. Threshold {U}, {T}, Sacrifice Cephalid Coliseum: Target player draws three cards, then discards three cards. Activate only if seven or more cards are in your graveyard.