Siren's Call [Alpha Edition] Ravnica then put Sensei's Divining Top

then put Sensei's Divining Top on top of its owner's library

Set: New Phyrexia Promos Type: Instant Rarity: Rare Cost: {B/P} ({B/P} can be paid with either {B} or 2 life

you may skip that turn instead

{T}: Add one mana of any of the exiled card's colors

Set: Antiquities Type: Land — Urza's Power-Plant Rarity: Uncommon {T}: Add {C}

Siren's Call [Alpha Edition] Ravnica then put Sensei's Divining TopSet: Alpha 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.