Fanatical Strength Lets head back to the now of it all and talk about Murders at Karlov Manor
Actions do not enter play
There are a number of ways the calculate or estimate this more specifically, but a quick rule of thumb is that basic mana should make up approximately one-third of their Magic: The Gathering deck, or 20 to 24 cards in a 60-card deck
Overall not bad, and it should gain you some cards
In the sideboard I can prepare to grind if I have to with Spirit Bonds and Purphoros, God of the Forge, or I can use Boros Charm against sweepers, or Act of Treason, Hammerhand, and Frontline Medic to punish attempts to block against me
Then you can spend two mana to give your big-powered stuff indestructible and hexproof to shut down interaction or save from mass removal or chump blocks for the turn