Nicol Bolas, the Ravager // Nicol Bolas, the Arisen [Core Set 2019] Homarid Drone then draw a card

then draw a card

Set: Onslaught Type: Sorcery Rarity: Rare Cost: {3}{B}{B} Each player chooses a creature type

Set: Happy Holidays Type: Sorcery Rarity: Mythic Cost: {1}{R} Target creature you control climbs into Goblin Sleigh Ride

But where is the source

Nicol Bolas, the Ravager // Nicol Bolas, the Arisen [Core Set 2019] Homarid Drone then draw a cardSet: Core Set 2019 Type: Legendary Creature Elder Dragon Rarity: Mythic Cost: {1}{U}{B}{R} 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 this ability only any time you could cast a sorcery. Reverse Type: Legendary Planeswalker Bolas +2: Draw two cards. 3: Nicol Bolas, the Arisen