Rivals of Ixalan

Brass's Bounty | Sorcery | | For each land you control, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") | Grzegorz Rutkowski

Silverclad Ferocidons | Creature | Dinosaur | Enrage — Whenever Silverclad Ferocidons is dealt damage, each opponent sacrifices a permanent. | Simon Dominic

Zacama, Primal Calamity | Legendary Creature | Elder Dinosaur | Vigilance, reach, trample When Zacama, Primal Calamity enters the battlefield, if you cast it, untap all lands you control. {2}{R}: Zacama deals 3 damage to target creature. {2}{G}: Destroy target artifact or enchantment. {2}{W}: You gain 3 life. | Jaime Jones