Urza, Lord High Artificer [Modern Horizons] Zendikar puts it on the bottom

puts it on the bottom of their library

If the player chooses others

“It blinked

Set: Antiquities Type: Land — Urza’s Tower Rarity: Uncommon {T}: Add {C}

you may search your library for a creature card with mana value 1 or less

Urza, Lord High Artificer [Modern Horizons] Zendikar puts it on the bottomSet: 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.