*Since it's Master Duel, it's a 'newbie killer' deck where you don't know where to interrupt
Once such attack is a simple horizontal swipe with his sword that'll be executed immediately out of a teleport, so keep your lock-on activated and hover your finger over the dodge input
The second Lash can equip for two Phyrexian Black mana, that'll normally be two mana, but it could be fewer, and it has living weapon, so it arrives equipped like Nightmare with power and toughness equal to your Swamp count
This lack of options and quality is why you would run stuff like Cackling Fiend or Scythe Scepter
Suppressing prompts can be done permanently by enabling Ignore Chain on the left-hand side of the field, or, much more conveniently, by holding down the right mouse button ( RMB ) or S - Key on the keyboard