Monument to Endurance Monument to Endurance has made a name for itself as a potent discard payoff
If Jeleva enters the battlefield again, it won't be associated with the cards the "other" Jeleva exiled
Honorable Mentions: Time Walk, Time Vault, and Emrakul, the Aeons Torn This trifecta of extra turn spells are among the strongest in the game, which has led to their bans in Commander, albeit for different reasons
This does create the worry you'll miss opening your second daily pack either due to opening the first too late in the day or simply from forgetting
Bala Ged Recovery is good because it allows you to play a land or recur something for a bit more, but let's be honest we're playing it as a land
The bigger competitive impact, though, comes down to one Supporter that shows up in nearly every deck