In Garruk's Wake [Magic 2015 Prerelease Promos] 2015 Mega-Tins Mega Pack you get that many {E}

you get that many {E} (energy counters)

Set: Saviors of Kamigawa Type: Instant — Arcane Rarity: Common Cost: {1}{W} Sweep — Return any number of Plains you control to their owner's hand

Set: Khans of Tarkir Type: Creature — Djinn Wizard Rarity: Uncommon Cost: {2}{U}{R}{W} When Warden of the Eye enters the battlefield

and all cards from all hands

Set: Starstrike Blast Card type: Normal Trap Rarity: Common When this Set card is destroyed by your opponent's card effect while you control a face-up "Blackwing" monster

In Garruk's Wake [Magic 2015 Prerelease Promos] 2015 Mega-Tins Mega Pack you get that many {E}Set: Magic 2015 Prerelease Promos Type: Sorcery Rarity: Rare Cost: {7}{B}{B} Destroy all creatures you don't control and all planeswalkers you don't control. Beyond pain, beyond obsession and wild despair, there lies a place of twisted power only the most tormented souls can reach.