First printed in Urza's Destiny (1999)
All 9 prints
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Modern Horizons 3 Promos (PMH3) #297p, 2026
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Modern Horizons 3 (MH3) #297, 2024
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The List (PLST) #C15-273, 2023
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Dominaria Remastered (DMR) #239, 2023
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Dominaria Remastered (DMR) #392, 2023
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Dominaria Remastered (DMR) #453, 2023
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Commander Anthology Volume II (CM2) #228, 2018
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Commander 2015 (C15) #273, 2015
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Urza's Destiny (UDS) #142, 1999
Artifact
As this artifact enters, choose a creature type.
Creature spells of the chosen type cost 
less to cast.
"Stop thinking like an artificer, Urza, and start thinking like a father!"
—Rayne, Academy Chancellor
- Illustrated by
- Pete Venters
Legality
- Legal in
- Modern, Legacy, Vintage, Historic, Timeless, Penny Dreadful, Premodern, Gladiator, Commander, Duel Commander, PreDH, Tiny Leaders, Oathbreaker, Brawl, Competitive Brawl
- Not legal in
- Standard, Pioneer, Pauper, Future Standard, Alchemy, Old School 93/94, Pauper Commander, Standard Brawl
Rulings (2)
- You choose a creature type right as it enters, before any continuous effects are applied or trigged abilities trigger.
- Multiple Incubators are cumulative.
Prices
MTGO price: 0.006 TIX, the cheapest non-foil print (average sell price on GoatBots, 1 Nov 2026).
In Limited on MTG Arena
Win rates in Arena drafts and sealed, retrieved from 17Lands (CC BY 4.0).
| Set | GIH WR | vs set | IWD | Games |
|---|---|---|---|---|
| Modern Horizons 3 (MH3), Premier Draft | 42.8% | -12.3 | -6.0 | 1063 |
- GIH WR
- win rate of the games in which the card was in the opening hand or drawn
- vs set
- points above or below the average win rate of all decks in the set
- IWD
- improvement when drawn: GIH WR minus the win rate when the card stayed in the library
- Games
- games in which the card was seen
Combos
123 combos, the most popular first:
- Infinite creature LTB, Infinite creature ETB…: Aang, Airbending Master + Appa, Steadfast Guardian + Urza's Incubator
- Infinite creature LTB, Infinite creature ETB…: Aang, Swift Savior // Aang and La, Ocean's Fury + Appa, Steadfast Guardian + Urza's Incubator
- Infinite creature LTB, Infinite creature ETB…: Aang, the Last Airbender + Appa, Steadfast Guardian + Urza's Incubator
- Infinite creature LTB, Infinite creature ETB…: Lightning Greaves + Monk Gyatso + Urza's Incubator
- Infinite creature LTB, Infinite creature ETB…: Aang, Airbending Master + Aang, the Last Airbender + Urza's Incubator
- Infinite creature LTB, Infinite creature ETB…: Appa, Loyal Sky Bison + Appa, Steadfast Guardian + Urza's Incubator
- Infinite card draw, Infinite draw triggers…: Acererak the Archlich + Relic of Legends + Urza's Incubator
- Infinite card draw, Infinite draw triggers…: Acererak the Archlich + Bontu's Monument + Carnival of Souls + Urza's Incubator
- Infinite creature ETB, Infinite creature LTB…: Ashling, the Limitless + Dark Ritual + Greenwarden of Murasa + Urza's Incubator
- Infinite card draw, Infinite draw triggers…: Acererak the Archlich + Ayara, First of Locthwain + Bontu's Monument + K'rrik, Son of Yawgmoth + Urza's Incubator
