Make sure you buy it for the right reasons
No card caused more chairs to almost be thrown, so while it is in many ways remembered fondly, no one wants to go through that again and we have an understanding that coin flips won't be this central again
10 Goldmeadow Goldmeadow has one of Planechase's more straightforward effects
Muldrotha, The Gravetide Muldrotha, the Gravetide is one of the easiest ways to ensure that you're able to get cards out of your graveyard to trigger Teval and similar effects
The choice between making a 1/1 flier or flickering one of your creatures gives you flexibility
This is all somewhat demanding, but as long as you have a good start, it really doesnt matter how many cards are in your opening hand, so Im not that scared to mulligan to five cards