The sideboard features most of the usual suspects
13 damage to each creature for as little as a single red mana is incredible, and can kill almost everything in any situation
Key Synergies And Combos Witherbloom can be built as a straightforward token/spell deck, but there are also some very real combo lines available if you want to push the power level
I could have stopped them if I'd managed to play the card that resummons my dead defenders from the graveyard, but it was counterspelled at the last minute
For one thing well want to counter sweepers when we can, so Swan Song, Arcane Denial, and Dream Fracture help patch that hole
Because it basically bargains better than Beseech the Mirror and is in that color too, this is better and since its mass sacrifices and mass recursion are better for those same archetypes but many more