River Boa [Duels of the Planeswalkers] Jackal Warrior it enters the battlefield tapped

it enters the battlefield tapped

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {U}{U} Counter target spell

Set: Hour of Devastation Prerelease Promos Type: Artifact Rarity: Rare Cost: {3} You may cast spells that have a cycling ability from your graveyard

Set: Eternal Masters Type: Legendary Enchantment — Shrine Rarity: Uncommon Cost: {3}{B} At the beginning of your upkeep

River Boa [Duels of the Planeswalkers] Jackal Warrior it enters the battlefield tappedSet: Duels of the Planeswalkers Type: Creature Snake Rarity: Uncommon Cost: {1}{G} Islandwalk (This creature can't be blocked as long as defending player controls an Island.) {G}: Regenerate River Boa.