Dragonkin Berserker [Kaldheim Prerelease Promos] Miscellaneous Promotional Cards if your Wyrm monster battles

if your Wyrm monster battles an opponent's monster that was Special Summoned from the Extra Deck: You can destroy both that opponent's monster and this card

Set: Avacyn Restored Type: Creature — Elemental Rarity: Rare Cost: {4}{R}{R}{R} When Tyrant of Discord enters the battlefield

Set: Kaladesh Type: Artifact Creature — Construct Rarity: Uncommon Cost: {3} Artifact spells you cast cost {1} less to cast

Set: Dark Beginning 1 Card type: Normal Spell Rarity: Common Attack: 0 Defense: 0 Pay 1000 Life Points

Dragonkin Berserker [Kaldheim Prerelease Promos] Miscellaneous Promotional Cards if your Wyrm monster battlesSet: Kaldheim Prerelease Promos Type: Creature Human Berserker Rarity: Rare Cost: {1}{R} First strike Boast abilities you activate cost {1} less to activate for each Dragon you control. Boast {4}{R}: Create a 5 5 red Dragon creature token with flying. (Activate only if this creature attacked this turn and only once each turn.)