The Ur-Dragon [Secret Lair Drop Series] Human Warlock but you may put it

but you may put it on top of your library instead of into your graveyard

Set: Portal Three Kingdoms Type: Legendary Creature — Human Soldier Rarity: Rare Cost: {5}{U}{U} Zhou Yu

each player may put a permanent card from their hand onto the battlefield

Set: Sword & Shield: Vivid Voltage Type: Supporter Rarity: Secret Rare

This mana can't be spent to pay generic mana costs

The Ur-Dragon [Secret Lair Drop Series] Human Warlock but you may put itSet: Secret Lair Drop Series Type: Legendary Creature Dragon Avatar Rarity: 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.