Urza, Lord High Artificer (Future Sight) [Mystery Booster 2] Zombie Wizard Set: Wilds of Eldraine Type:

Set: Wilds of Eldraine Type: Creature — Faerie Warlock Rarity: Uncommon Cost: {3}{B} Flying

and Player Core 2

you may play those cards

Whenever enchanted creature blocks or becomes blocked by a creature with toughness 3 or less

Whenever Grimgrin attacks

Urza, Lord High Artificer (Future Sight) [Mystery Booster 2] Zombie Wizard Set: Wilds of Eldraine Type:Set: Mystery Booster 2 Type: Legendary Creature Human Artificer Rarity: Mythic Cost: {2}{U}{U} When Urza, Lord High Artificer enters, 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.