Seltas Queen

Trample
{t}{1}{g}{g}:Search your library or graveyard for a Seltas creature card and place it on the battlefield, you may "equip" it to this creature.
If this creature has a Seltas Creature equipped, it gains double strike in which the first damage dealt is equal to the Seltas's strength, and second is equal to this creature's strength. When this creature is tapped, the equipped Seltas is treated