Hero's Uncle [Unknown Event] Urza's Mine "This must not become common

"This must not become common knowledge

Whenever Kroxa and Kunoros enters the battlefield or attacks

the Mother of Machines will notice my absence

X is twice the mana value of that spell

then draw a card for each knowledge counter on The Magic Mirror

Hero's Uncle [Unknown Event] Urza's Mine "This must not become commonSet: Unknown Event Type: Creature Human Rarity: Common When Hero's Uncle dies, you may search your library for a legendary team up creature, reveal it, put it into your hand, then shuffle. (A legendary team up creature is two or more legendary characters teamed up on the same legendary creature card, such as Drana and Linvala.)