Siren's Call [Beta Edition] Alpha Edition Caves of Koilos deals 1

Caves of Koilos deals 1 damage to you

You own target card in the ante

then proliferate

" —Volrath

It was an ancient defense of the Dwarves that could only be traversed in single file

Siren's Call [Beta Edition] Alpha Edition Caves of Koilos deals 1Set: Beta Edition Type: Instant Rarity: Uncommon Cost: {U} Cast this spell only during an opponent's turn, before attackers are declared. Creatures the active player controls attack this turn if able. At the beginning of the next end step, destroy all non Wall creatures that player controls that didn't attack this turn. Ignore this effect for each creature the player didn't control continuously since the beginning of the turn.