Copying even these baseline mana artifacts can get players quite a bit ahead for a very limited mana investment
Green white commander Creature (29) 1x Algae Gharial 1x Armada Wurm 1x Avacyn, Angel of Hope 1x Avacyn's Pilgrim 1x Azor's Elocutors 1x Birds of Paradise 1x Bond Beetle 1x Elesh Norn, Grand Cenobite 1x Feral Hydra 1x Geist-Honored Monk 1x Hero of Bladehold 1x Iona, Shield of Emeria 1x Llanowar Elves 1x Loxodon Smiter 1x Mitotic Slime 1x Mycoloth 1x Primeval Titan 1x Primordial Hydra 1x Rhys the Redeemed 1x Steward of Valeron 1x Sun Titan 1x Thallid 1x Thragtusk 1x Tolsimir Wolfblood 1x Twilight Drover 1x Utopia Mycon 1x Wayfaring Temple 1x Wilt-Leaf Cavaliers 1x Wilt-Leaf Liege Planeswalker (7) 1x Ajani, Caller of the Pride 1x Ajani Goldmane 1x Elspeth, Knight-Errant 1x Elspeth Tirel 1x Garruk, Primal Hunter 1x Garruk Wildspeaker 1x Gideon Jura Land (40) Enchantment (6) 1x Collective Blessing 1x Doubling Season 1x Martial Law 1x Parallel Lives 1x Vernal Bloom 1x Wild Pair

And you actually have two chances to get one since we also received an Elite Trainer Box and will be giving out those codes too
Contact: Linda Bright 270-776-4322
If you manage to use Dovin Baan's -7 ability, it effectively ends the game, as your opponent will only be able to untap two permanents each turn, and that includes lands
I even know players that still play with Scion of the Ur-Dragon, because they would prefer to play dragons in more of a combo style