Frenetic Sliver [Secret Lair: Heads I Win, Tails You Lose] Battle for Zendikar Set: Rise of the Eldrazi

Set: Rise of the Eldrazi Type: Creature — Vampire Shade Rarity: Mythic Cost: {4}{B}{B} Whenever you tap a Swamp for mana

Set: Alpha Edition Type: Creature — Troll Rarity: Uncommon Cost: {2}{R} {R}: Regenerate Uthden Troll

The path offered by the academy is long and difficult

then return a card from your graveyard to your hand for each card discarded this way

*Richard III*

Frenetic Sliver [Secret Lair: Heads I Win, Tails You Lose] Battle for Zendikar Set: Rise of the EldraziSet: Secret Lair: Heads I Win, Tails You Lose Type: Creature Sliver Rarity: Uncommon Cost: {1}{U}{R} All Slivers have "{0}: If this permanent is on the battlefield, flip a coin. If you win the flip, exile this permanent and return it to the battlefield under its owner's control at the beginning of the next end step. If you lose the flip, sacrifice it."