March of the Machine

City on Fire | Enchantment | | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) If a source you control would deal damage to a permanent or player, it deals triple that damage instead. | Jake Murray

Etali, Primal Conqueror // Etali, Primal Sickness | Legendary Creature // Legendary Creature | Elder Dinosaur // Phyrexian Elder Dinosaur | Trample When Etali, Primal Conqueror enters, each player exiles cards from the top of their library until they exile a nonland card. You may cast any number of spells from among the nonland cards exiled this way without paying their mana costs. {9}{G/P}: Transform Etali. Activate only as a sorcery. // Trample, indestructible Whenever Etali, Primal Sickness deals combat damage to a player, they get that many poison counters. (A player with ten or more poison counters loses the game.) | Ryan Pancoast

Shivan Branch-Burner | Creature | Dragon | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Flying, haste | Aaron Miller