Uro, Titan of Nature's Wrath

Jan 24, 2020 · Escape's permission doesn't change when you may cast the spell from your graveyard.

Jan 24, 2020 · 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.

Jan 24, 2020 · 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.

Jan 24, 2020 · 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.

Jan 24, 2020 · 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.

Jan 24, 2020 · 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.

Jan 24, 2020 · Uro's second ability triggers when it enters the battlefield, even if it didn't escape.

Jan 24, 2020 · 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 mana value of the spell remains unchanged, no matter what the total cost to cast it was and no matter whether an alternative cost was paid.