Choose a commander you enjoy, define a clear strategy, add 7-10 win conditions, add the core components (draw, ramp, removal), build a 36-38 land mana base with color fixing, then playtest and tune the ratio
Individual planar deck: The first player gets to reveal the first plane from their own deck, and when anybody rolls the planeswalker symbol, they move on to the top plane of their own Planar deck
At the end of your Battle Phase, if your opponent has not taken any battle damage this Phase: You can inflict 300 damage to your opponent for each "Battlewasp" monster in your GY
1 effect during your opponent's turn
its been reprinted a ton of times