If Opal Palace's last ability produces two mana (most likely due to Mana Reflection) and you spend them to cast a commander, that commander enters with two counters for each time it's been cast from the command zone this game
The Precon List Before we talk upgrades, let's take a look at the stock list to see what we're working with: Divine Convocation is first and foremost a Tokens deck, which makes sense since you need a bunch of creatures on the battlefield to make Convoke cards good and Tokens is the most efficient way of getting lots of creatures
It looks simple, but theres a surprising amount of play to Terminal Velocity
Other than that, keep hands with three or four lands
Brash Taunter and Stormwild Capridor are also sweet targets for damage redirection in case Jareds not available
The Tenth Doctor A master of time Our only other Doctor on this list of the best Doctor Who MTG cards is The Tenth Doctor, a five-mana blue and red 3/5 who, thanks to Allons-y!, allows you to exile cards from the top of your library until you hit a nonland card whenever you attack, before giving that card Suspend and putting three time counters on it