Ashtra's Howl

Activate 1 of these effects;
● Special Summon this card as a Normal Monster (Spellcaster/Tuner/DARK/Level 1/ATK 0/DEF 0) (this card is NOT treated as a Trap), then immediately after this effect resolves, you can Synchro Summon 1 Synchro Monster.
● If you have an "Ashtra" monster in your field or GY: Target 1 monster your opponent controls; destroy it.
You can only activate 1 "Ashtra's Howl" per turn.