As this permanent transforms into Vasilisa, Waging War, it becomes your choice of a 7/7 Hydra with trample, a 6/5 Kraken with hexproof, or a 5/6 Spider with vigilance, reach, and deathtouch.
Vigorous Soundvein enters tapped. When Vigorous Soundvein enters, you may pay 1 life. If you do, add one mana of any color other than green. {T}: Add {G}.
{T}: Add {C}. Whenever Wasted Watchpost deals combat damage to a player, you may sacrifice it. When you do, destroy target nonbasic land that player controls. Spellcharge 3