(While the song is being sung, the game continues.) When the song is finished, this attack does 30 damage. I dont know if there are any strategies that involve singing for a whole turn, then bringing out a bigger and better card to give its attack a 30-damage buff, but rules are rules

Golgari Demons with Llanowar Elves 1 Aclazotz, Deepest Betrayal 2 Anoint with Affliction 4 Archfiend of the Dross 4 Blooming Marsh 3 Cut Down 6 Forest 3 Glissa Sunslayer 4 Go for the Throat 4 Llanowar Elves 4 Llanowar Wastes 4 Mosswood Dreadknight 1 Preacher of the Schism 4 Restless Cottage 1 Scavenging Ooze 2 Sentinel of the Nameless City 1 Sheoldred, the Apocalypse 2 Soulstone Sanctuary 5 Swamp 1 Tranquil Frillback 4 Unholy Annex // Ritual Chamber 2 Choking Miasma 2 Dreams of Steel and Oil 3 Duress 2 Ghost Vacuum 2 Gix's Command 1 Nissa, Ascended Animist 2 Tear Asunder 1 Vivien Reid Fletcher Johnson secured a Top 8 finish at the $10,000 RCQ at SCG CON Columbus with a deck that showcases the evolving face of this archetype
The blocks story centered around Sarkhan Vol who came back to his home plane of Tarkir to find that the dragons that once inhabited the world had all died out
To be fair, Volcarona is not a complete wash
A one-mana card that provides so much card advantage shouldn't be around the lower brackets