Adimar

{t}{1}{g}: You may search your library for a basic forest card and put it on to the battlefield tapped.
{g} : Until your next turn Adimar becomes a 1/1 snake with death touch, a 3/3 bear with trample, or a o/4 tree with defender.
{t}{x}{x}{g}: Summon {x} 3/3 green bears.
{t}{g}: Tap target creature.
{g}: Adimar gets +1/+0 until the end of the turn (max of three times) you may only use this ability if Adimar is in elf form.