Ambush Commander

{3}{G}{G} · Creature — Elf

Forests you control are 1/1 green Elf creatures that are still lands. {1}{G}, Sacrifice an Elf: Target creature gets +3/+3 until end of turn.

Motor: se resuelve a mano

Rulings (1)

A noncreature permanent that turns into a creature can attack, and its {T} abilities can be activated, only if its controller has continuously controlled that permanent since the beginning of their most recent turn. It doesn’t matter how long the permanent has been a creature.
Wizards of the Coast · 2008-08-01