Macrocosmic Dragon, Marstoge

:When this unit is placed on or put on , choose up to one grade 4 card from your hand, and reveal it. If you revealed a card, or your vanguard is grade 4, perform one of the following according to the circle this unit is on. ・‐ 1, and this unit gets +10000 until end of turn. ・‐This unit gets +15000 until end of that battle. :When this card is discarded from hand while riding a grade 3 from the ride deck or paying the cost for , draw a card.