Frenetic Sliver [Secret Lair: Heads I Win, Tails You Lose] Battle for Zendikar then return a card from

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

{T}: You may exile an instant or sorcery card with mana value X from your hand

The path offered by the academy is long and difficult

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

perfect order

Frenetic Sliver [Secret Lair: Heads I Win, Tails You Lose] Battle for Zendikar then return a card fromSet: 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."