Bandai has been explicit about the design brief
GR+: What requirements, if any, were there when designing this artwork
Based on the information below, it is most effective to play Standard (BO1) from Bronze to Gold while from Gold and up to Mythic the most effective option is Traditional Standard(BO3)
Tablet of Discovery serves as the deck's central engine, generating card advantage, accelerating mana production, and enabling a devastating turn-five Jeskai Revelation
(2006-10-15) This ability has an "intervening 'if' clause." That means (1) the ability won't trigger at all unless any one of your opponents controls more lands than you, and (2) the ability will do nothing if you control at least as many lands as each of your opponents by the time it resolves
Best Counter Doubler Payoffs Even Mark Rosewater is a fan of doubling since putting counters on creatures is a well-supported mechanic, so theres no shortage of cards that benefit from doubling counters