Siren's Call [Beta Edition] Oldschool In fire there is the

In fire there is the spark of chaos and destruction

Activate only during your upkeep

it used to be seven men

and lands you control have indestructible

They become 6/6 Elemental creatures

Siren's Call [Beta Edition] Oldschool In fire there is theSet: 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.