Sneak Attack [Urza's Saga] SPA Valle aislado defending player can't cast spells

defending player can't cast spells this turn

You choose a green or white creature card from it

Set: Portal Type: Instant Uncommon Cost: {1}{U}{U} Counter target creature or sorcery spell

Bonethorn Valesk deals 1 damage to any target

Set: Modern Masters 2015 Type: Creature — Beast Uncommon Cost: {6}{U}{U} Affinity for artifacts (This spell costs {1} less to cast for each artifact you control

Sneak Attack [Urza's Saga] SPA Valle aislado defending player can't cast spellsSet: Urza's Saga Type: Enchantment Rare Cost: {3}{R} {R}: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step. "Nothin' beat surprise'cept rock."