+crescendo (6)
Target creature gets +3/+1 until end of turn.
Exile the top card of your library. Until the end of your next turn, you may play that card.
At the beginning of each upkeep, put a strife counter on Crescendo of War.
Attacking creatures get +1/+0 for each strife counter on Crescendo of War.
Blocking creatures you control get +1/+0 for each strife counter on Crescendo of War.
Creatures you control get +2/+0 until end of turn. Whenever a nontoken creature you control dies this turn, create a 1/1 black Rat creature token with "This creature can't block."
Create X 1/1 green and white Citizen creature tokens. Creatures you control gain indestructible until end of turn.
At the beginning of your upkeep, you may put a verse counter on Rumbling Crescendo.
, Sacrifice Rumbling Crescendo: Destroy up to X target lands, where X is the number of verse counters on Rumbling Crescendo.
Search your library for a basic land card and put it onto the battlefield tapped. Search your library and graveyard for a card named Nissa, Nature's Artisan, reveal it, put it into your hand, then shuffle.
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