Core Set 2019

Chromium, the Mutable | Legendary Creature | Elder Dragon | Flash This spell can't be countered. Flying Discard a card: Until end of turn, Chromium, the Mutable becomes a Human with base power and toughness 1/1, loses all abilities, and gains hexproof. It can't be blocked this turn. | Chase Stone

Arcades, the Strategist | Legendary Creature | Elder Dragon | Flying, vigilance Whenever a creature with defender enters the battlefield under your control, draw a card. Each creature you control with defender assigns combat damage equal to its toughness rather than its power and can attack as though it didn't have defender. | Even Amundsen

Palladia-Mors, the Ruiner | Legendary Creature | Elder Dragon | Flying, vigilance, trample Palladia-Mors, the Ruiner has hexproof if it hasn't dealt damage yet. | Svetlin Velinov

Nicol Bolas, the Ravager | Legendary Creature | Elder Dragon | Flying When Nicol Bolas, the Ravager enters the battlefield, each opponent discards a card. {4}{U}{B}{R}: Exile Nicol Bolas, the Ravager, then return him to the battlefield transformed under his owner's control. Activate only as a sorcery. | Svetlin Velinov

Vaevictis Asmadi, the Dire | Legendary Creature | Elder Dragon | Flying Whenever Vaevictis Asmadi, the Dire attacks, for each player, choose target permanent that player controls. Those players sacrifice those permanents. Each player who sacrificed a permanent this way reveals the top card of their library, then puts it onto the battlefield if it's a permanent card. | Steven Belledin