The Ur-Dragon (Commander 2017) [Commander 2017 Oversized] Dark Ascension Promos then you may put a

then you may put a permanent card from your hand onto the battlefield

Set: Commander Anthology Type: Enchantment Uncommon Cost: {2}{R}{R} At the beginning of the end step

−8: You get an emblem with "Lands you control have indestructible

Your pieces would better serve Phyrexia elsewhere

If it would leave the battlefield

The Ur-Dragon (Commander 2017) [Commander 2017 Oversized] Dark Ascension Promos then you may put aSet: Commander 2017 Oversized Type: Legendary Creature Dragon Avatar Mythic Cost: {4}{W}{U}{B}{R}{G} Eminence As long as The Ur Dragon is in the command zone or on the battlefield, other Dragon spells you cast cost {1} less to cast. Flying Whenever one or more Dragons you control attack, draw that many cards, then you may put a permanent card from your hand onto the battlefield.