Leyline Tyrant [Zendikar Rising Prerelease Promos] Tournament Pack 2 The Hobby Knife is essentially

The Hobby Knife is essentially a surgical scalpel made or miniatures

Increase the ATK of this card by 300 points for each card in your Graveyard that includes 'Elemental Hero' in its card name

Set: Duelist Pack 5: Aster Phoenix Card type: Effect Monster Rarity: Ultra Rare Attack: 800 Defense: 800 By removing from play this card while it''s in your Graveyard

and in the War of the Five Kings

Set: Arabian Nights Type: Creature — Zombie Rarity: Uncommon Cost: {2}{B} At the beginning of each end step

Leyline Tyrant [Zendikar Rising Prerelease Promos] Tournament Pack 2 The Hobby Knife is essentiallySet: Zendikar Rising Prerelease Promos Type: Creature Dragon Rarity: Mythic Cost: {2}{R}{R} Flying You don't lose unspent red mana as steps and phases end. When Leyline Tyrant dies, you may pay any amount of {R}. When you do, it deals that much damage to any target.