Doran, the Siege Tower [Lorwyn]

Doran, the Siege Tower [Lorwyn]Set: Lorwyn Type: Legendary Creature Treefolk Shaman Rare Cost: {W}{B}{G} Each creature assigns combat damage equal to its toughness rather than its power. "Each year that passes rings you inwardly with memory and might. Wield your heart, and the world will tremble."

Set: Time Spiral Type: Artifact Creature — Construct Rarity: Rare Cost: {5} Indestructible

Then do it again

Soul of Elements

Volcanic Eruption deals damage to each creature and each player equal to the number of Mountains put into a graveyard this way

Set: Limited Edition Alpha Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{U} Enchant enchantment

Exile all cards from all hands and graveyards

{T}: Target player puts the top two cards of their library into their graveyard

Set: Kaladesh Promos Type: Artifact Rare Cost: {4} Whenever you cast a spell

Whenever Omnath

Set: Premium Deck Series: Fire and Lightning Type: Instant Uncommon Cost: {1}{R} Price of Progress deals damage to each player equal to twice the number of nonbasic lands that player controls

that player puts it into their hand

Set: Fourth Edition Type: Instant Uncommon Cost: {W} Exile target creature