scoreboard objectives add "SirenDamageAm" dummy
execute @e[type=agp:tornado_siren] ~~~ execute @e[type=agp:decoy_block,tag=!Hit,r=4.5] ~~~ tag @s add Hit
execute @s[tag=!stoop,scores={SirenDamageAm=0}] ~~~ tag @s add stoop
execute @s[scores={SirenDamageAm=3}] ~~~ event entity @s BreakEvent