Orphans of the Wheat gets +1/+1 until end of turn for each creature tapped this way
If a bid is not offered at that level, the Auctioneer may proceed backwards until a bid is offered, and then continue up from that initial bid at increased increments
Moreover I've read that if I use sleeves the card is most likely to be accepted by the judge
However, the best way to protect your graveyard is with ample interaction
Daybound and nightbound override Moonmist
Additionally, I think this card can consolidate sideboard slots for the Tron matchup, as this card will go a long way to disrupting Tron by turning off their Expedition Maps, Chromatic Stars / Spheres, Oblivion Stones, and Walking Ballistas, which in turn takes a ton of pressure off Meddling Mage to name cards like Ugin, the Spirit Dragon and Wurmcoil Engine