At the beginning of your next upkeep, pay
monsters that were sent to the GY by Metal Slave
In my opinion, it's the responsibility of both sides: experienced players have to try to not be total dicks to the newer players, and the newer players should try to not be total weirdos around a new crowd
Following this same logic, you can take the plan further by mixing in Stumbling, which would normally shift a monster into defense position when it is normal summoned, flip summoned, or special summoned
Then, use Cyrus to pull them back and hit them for 140 DMG again
This level 1 battle deck will allow you to understand the game's rules while being easy to use on the battlefield