One powerful idea is to combine Flash with Protean Hulk, where you Flash in Protean Hulk, let it die, search up Karmic Guide and Carrion Feeder, reanimate Protean Hulk with Karmic Guide, sacrifice it to Carrion Feeder for another trigger, fetch Kiki-Jiki, Mirror Breaker, use Kiki-Jiki, Mirror Breaker to copy Karmic Guide and sacrifice Kiki-Jiki to Carrion Feeder in response, which lets you reanimate with the Guide's ability
The MTG X Final Fantasy Cards Are Great, But Where is Tifa
Champion and Mayor are solid cards you can reasonably see in cubes
Now let's take this basic premise and multiply by the 100 saproling tokens you just made using Doubling Season
What happens if you block with a creature then Sacrifice it