Persistent Petitioners (596) [Secret Lair Drop Promos]Set: Secret Lair Drop Promos Type: Creature Human Advisor Rarity: Rare Cost: {1}{U} {1}, {T}: Target player mills a card. Tap four untapped Advisors you control: Target player mills twelve cards. A deck can have any number of cards named Persistent Petitioners. ". . . the king's burning heart must be laid to rest at least. And furthermore . . ."

Learn the value of allies

Set: Kaladesh Inventions Type: Artifact Creature — Phyrexian Wurm Rarity: Mythic Cost: {6} Deathtouch

Set: XY: Black Star Promos Type: Lightning Rarity: Promo Retreat cost: Colorless

or abilities requiring an activation cost

{T}: Add {C} for each storage counter on City of Shadows

Set: Modern Masters 2015 Type: Creature — Giant Rarity: Mythic Cost: {4}{G}{G} Trample

exile up to one other target creature

1 Terminate

Set: International Collectors' Edition Type: Creature — Cat Rarity: Rare Cost: {W} (This card has square corners and a gold bordered back

You may play lands and cast spells from the top of your library

1 Inspiring Call

Iron Muscle — As long as it's your turn