Invasion of Mercadia // Kyren Flamewright (March of the Machine)

Battle Ñ Siege // Creature Ñ Goblin Spellshaper - Invasion of Mercadia: (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)
When this Siege enters, you may discard a card. If you do, draw two cards. // Kyren Flamewright: {2}{R}, {T}, Discard a card: Create two 1/1 blue and red Elemental creature tokens. Creatures you control get +1/+0 and gain haste until end of turn.