Book of Nature

Indestructible, This spell can't be countered
All green creatures you and your partner control
have trample and +2/+1
Every time green permanent is targeted by enemy
spell draw a card
{4}{g}{t}, put +1/+1 counter on target creature
{10}{g}{t}, as additional cost to cast this ability
sacrifice 4 permanents you control - search your library for any three cards and put them onto the battlefield tapped