In formats where nonbasic lands dominate, Blood Moon can reshape the entire game the moment it resolves
Voice of VictoryVoice of Victory is by far the best mobilize card: It's cheap to cast, fairly resilient, it gives you the counterspell-pass for your turns, and it also prepares you coffee (it doesn't, but it may as well do)
As someone who's seen a lot of episodes of that tv show where they appraise old stuff, I'll tell you exactly what each one was probably (maybe) used for
For example, if you're instructed to draw two cards and you replace the first draw with a dredge ability, another card with a dredge ability (including one that was milled by the first dredge ability) may be used to replace the second draw
Angelic Destiny has a similar return condition, but Rancor's much more widely played
Beledros Witherbloom Beledros Witherbloom can be an imposing mana doubler, but theres a hard limit on how often you can use it