Siren's Call [Beta Edition] Drone twice that many +1/+1 counters

twice that many +1/+1 counters are put on that creature instead

Whenever a Vehicle crewed by Balthier and Fran this turn attacks

As long as your devotion to red and white is less than seven

(It’s an artifact with “{T}

Whenever Parhelion II attacks

Siren's Call [Beta Edition] Drone twice that many +1/+1 countersSet: 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.