2014 core set booster box Magic the Gathering: Pack powerful spells and creatures 2014 Core Set Fat Pack

Playing two enchantments each turn forces your opponents to discard, and from time to time youll get the three triggers

Kellan, Planar Trailblazer Rarity: Rare TYPE: Legendary Creature SUBTYPE: Human Faerie Scout CMC: 1 Mana cost: USD: $0.22 EUR: 0.22 TIX: 0.02 EDHREC RANK: 12353 (2/1) : If Kellan is a Scout, it becomes a Human Faerie Detective and gains "Whenever Kellan deals combat damage to a player, exile the top card of your library

To fulfil the requirements, you need to have the required monsters on the field and then sacrifice them as tribute when you Synchro Summon

Both are one of the strongest ways to present lethal damage to an opponent with minimal setup

the Mega-Pack treatment