digimon booster box 2020 Castle Games Magic: the Gathering, MTG, Pokemon, One Piece, Singles, Commander and [BT Sinister Order Booster box

Being a Partner is a property of the card and tied directly to the physical card

You can only tap a creature when you need to attack, activate its ability, or pay a specific cost

Flesh / Blood The baseline for Flesh / Blood is to cast Blood, which is your typical bite effect in green but with the upside of dealing damage to players like Fling

Getting new win conditions like Northern Air Temple is so crucial for Shrine decks, and the power to amplify your board with Southern Air Temple and Crescent Island Temple is also a boon to these types of decks

Just be careful what you discard

So the first and more important rule is that there are no set rules on building a commander deck