Your questions need to give the opponent an actual choice
The great thing is, all of your permanents come into play untapped, so you can tap all of your lands to make unlimited mana between exiles
4 Charred Graverobber Bring Out Your Dead As long as you have one other outlaw creature in your graveyard, Charred Graverobber is essentially a free card
People always overrate freshly printed rares that arent good in Standard but will see play in Eternal formats, forgetting that there will be thousands of these printed for each person whos ever even seen a Legacy deck
Therefore, you'll need some pretty great ways to utilize energy in order to make this guy worth it, especially for four mana
Deviate from those ratios too many Pokemon, too few draw supporters, the wrong energy count and your deck becomes a lottery ticket rather than a competitive tool