Cephalid Coliseum [From the Vault: Realms] Divine Beast if any monsters were sent

if any monsters were sent to the Graveyard by this effect

Set: Duelist Saga Card type: Flip/Effect Monster Rarity: Ultra Rare Attack: 300 Defense: 400 FLIP: Target 1 Spell Card in your Graveyard

Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card

you can select 1 Dragon-Type Synchro Monster in the Graveyard

Cephalid Coliseum [From the Vault: Realms] Divine Beast if any monsters were sentSet: 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.