Unfortunately, the card has made its way onto the banlist for Legacy and Modern, the most accessible 60 card formats with those lands, and without them, Deathrite Shaman is a lot less funky
Third, we have arguably the most exciting of the bunch in Red Mages Rapier
Combat Tutorial A Divination stapled to a +1/+1 counter is probably not all that great, but it is something at least a little more reasonable than just Divination
Keep him on the board long enough, and Vivi becomes a powerful attacker in his own right, but his real value lies in the win conditions you can create with the killer combination of free mana and pinging
It notably has the partner mechanic which makes it a somewhat decent option as a commander, assuming it can be carried by the other partner
Now its your turn to use these insights and build your own deck