Runa, Leaf of Hope

Meld
Equipped creature gains +2/+2
{g}Discard a card after declaring as a single
attacker: this creature gets +4/+4 until end of turn.
{g}Discard a card after declaring as a dual attacker:
each creature in the pair gets +2/+2 until end of
turn.
Runa's first love was the forest and the quiet places
within it.