Sandsteppe War Riders [March of the Machine Commander] U-MON097-RF and the mind is its

and the mind is its key

Set: Innistrad: Double Feature Type: Sorcery Rarity: Uncommon Cost: {4}{R} Create a red Elemental creature token with trample and "This creature's power and toughness are each equal to the number of instant and sorcery cards in your graveyard plus the number of cards with flashback you own in exile

gain control of all Dragons

Set: Commander 2014 Type: Artifact Rarity: Rare Cost: {2} Green spells you cast cost {1} less to cast

Sandsteppe War Riders [March of the Machine Commander] U-MON097-RF and the mind is itsSet: March of the Machine Commander Type: Creature Human Warrior Rarity: Rare Cost: {3}{G} Trample At the beginning of combat on your turn, bolster X, where X is the number of differently named artifact tokens you control. (Choose a creature with the least toughness among creatures you control and put X +1 +1 counters on it.)