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When Uro enters the battlefield, sacrifice it unless it escaped.
Whenever Uro enters the battlefield or attacks, you gain 3 life and draw a card, then you may put a land card from your hand onto the battlefield.
Escape—{G}{G}{U}{U}, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)
After an escaped spell resolves, it returns to its owner’s graveyard if it’s not a permanent spell. If it is a permanent spell, it enters the battlefield and will return to its owner’s graveyard if it dies later. Perhaps it will escape again—good underworld security is so hard to come by these days.
Escape’s permission doesn’t change when you may cast the spell from your graveyard.
If a card has multiple abilities giving you permission to cast it, such as two escape abilities or an escape ability and a flashback ability, you choose which one to apply. The others have no effect.
If a card with escape is put into your graveyard during your turn, you’ll be able to cast it right away if it’s legal to do so, before an opponent can take any actions.
If you cast a spell with its escape permission, you can’t choose to apply any other alternative costs or to cast it without paying its mana cost. If it has any additional costs, you must pay those.
Once you begin casting a spell with escape, it immediately moves to the stack. Players can’t take any other actions until you’re done casting the spell.
To determine the total cost of a spell, start with the mana cost or alternative cost you’re paying (such as an escape cost), add any cost increases, then apply any cost reductions. The converted mana cost of the spell remains unchanged, no matter what the total cost to cast it was and no matter whether an alternative cost was paid.
Uro’s effect doesn’t count as playing a land. It can put a land card onto the battlefield even if it’s not your turn or if you’ve already played your land for the turn.
Uro’s first ability causes you to sacrifice it if you didn’t cast it, or if it was cast using any permission other than an escape ability.
Uro’s second ability triggers when it enters the battlefield, even if it didn’t escape.
