Sylvan Horned Beast, Goildoat (RRR)

[AUTO]Drop:When your vanguard with "Magnolia" in its card name is placed during your ride phase, if your soul does not have a "Sylvan Horned Beast, Goildoat", [COST][put this card into soul], choose one of your vanguards, and it gets [Power] +5000 until end of turn.
[AUTO]Back Row (RC):When this unit attacks, this unit gets [Power] +10000 until end of that battle. At the end of that battle, if this unit is in the center column, [COST][retire this unit], and draw a card.