Elemental Mastery [Shadowmoor] SM134 when your monsters attack with

when your monsters attack with an ATK that is higher than the DEF of your opponent's Defense Position monster

Set: Classic Sixth Edition Type: Artifact Rarity: Uncommon Cost: {4} {1}

Reverse Type: Legendary Planeswalker — Arlinn +1: Creatures you control get +1/+1 and gain trample until end of turn

{X}{U}: You may put a creature card with mana value X from your hand onto the battlefield

Must be Special Summoned (from your Extra Deck) by sending 2 Level 5 or higher monsters you control with the same Level to the Graveyard (1 Tuner and 1 non-Tuner)

Elemental Mastery [Shadowmoor] SM134 when your monsters attack withSet: Shadowmoor Type: Enchantment Aura Rarity: Rare Cost: {3}{R} Enchant creature Enchanted creature has "{T}: Create X 1 1 red Elemental creature tokens with haste, where X is this creature's power. Exile them at the beginning of the next end step."