Siren's Call Visions create two 2/2 black Zombie

create two 2/2 black Zombie creature tokens

+ {1} — Creatures you control with power 4 or greater gain hexproof and indestructible until end of turn

Wakanda Forever

Whenever one or more +1/+1 counters are put on this creature

Siren's Call Visions create two 2/2 black ZombieCast 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.