Doubling Season [WOT - 52] Commander March of the Machine Sacrifice this artifact: Add one

Sacrifice this artifact: Add one mana of any color

[11]: Search your library for any number of colorless nonland cards

Leyline Prodigy

Rules Text Contains: At the beginning of your precombat main phase

Doubling Season [WOT - 52] Commander March of the Machine Sacrifice this artifact: Add oneRarity: M #: 52 Creature Type or Sub Type: Enchantment Rules Text Contains: If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.