Urza, Lord High Artificer (Retro Foil Etched) [Modern Horizons] LSS005 when you boost a card

when you boost a card

you may only play cards from arsenal

Set: Promo Finish: Cold Foil Type: Weapon Rarity: Promo Class: Bard When cometh thou turn

Set: Promo Finish: Cold Foil Type: Hero Subtype: Young Rarity: Promo Class: Ranger Elemental Life: 20 Intellect: 4 Essence of Ice and Lightning (You may have Ice and Lightning cards in your deck

then target 1 monster your opponent controls with the same card type (Fusion

Urza, Lord High Artificer (Retro Foil Etched) [Modern Horizons] LSS005 when you boost a cardSet: Modern Horizons Type: Legendary Creature Human Artificer Rarity: Mythic Cost: {2}{U}{U} When Urza, Lord High Artificer enters the battlefield, create a 0 0 colorless Construct artifact creature token with "This creature gets +1 +1 for each artifact you control." Tap an untapped artifact you control: Add {U}. {5}: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.