Ulamog, the Defiler (Retro) [Modern Horizons 3]

Ulamog, the Defiler (Retro) [Modern Horizons 3]Set: Modern Horizons 3 Type: Legendary Creature Eldrazi Rarity: Mythic Cost: {10} When you cast this spell, target opponent exiles half their library, rounded up. WardSacrifice two permanents. Ulamog, the Defiler enters the battlefield with a number of +1 +1 counters on it equal to the greatest mana value among cards in exile. Ulamog has annihilator X, where X is the number of +1 +1 counters on it.

3W: Create a 1/1 white Soldier creature token with lifelink

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Commander Tokens Type: Token Creature — Dragon Rarity: Common Flying

you may create a 4/4 green Elemental creature token

Set: Commander 2016 Type: Sorcery Rarity: Rare Cost: {3}{U}{U} Return all nonland permanents to their owners' hands

don't forget to squeeze your official Vault-Tec stress ball

Zur's Weirding

You may cast those cards without paying their mana costs

sluicing ancient seawater

Set: The Brothers' War Promos Type: Legendary Artifact — Legendary Artifact Rarity: Mythic Cost: {3} 2WW

Set: Starter Commander Decks Type: Creature — Human Druid Warrior Rarity: Uncommon Cost: {3}{G} At the beginning of your end step

{R}: Flowstone Wyvern gets +2/-2 until end of turn

Set: Khans of Tarkir Type: Creature — Human Warrior Rarity: Uncommon Cost: {1}{R} Raid — War-Name Aspirant enters the battlefield with a +1/+1 counter on it if you attacked this turn