What I did instead is basically say "let me show you this really stupid thing this deck is capable of doing" and before discarding, I showed them Myr Incubator and explained how an all-in artifacts deck can pop off with it
The granularity and lifetime of these decisions are controlled by the Auto Yield/Trigger Mode setting under Settings Preferences: Per Card (Each Game) decisions are tied to a specific card instance and cleared at the end of each game
Its always a good idea to attack with your high-power dragons, but why not benefit from their high toughness as well
This both makes your combo more consistent and dilutes your deck less with cards that are innefective on their own
As for the lower-tier black MDFCs, Malakir Rebirth is a card I really like, but you do need to have quite a few creatures in your deck to make it worthwhile
However, we recommend that you use this stadium card once your Mega Lucario EX is ready to take charge and attack