Esper Sentinel is one of the newest and best on the list: a pseudo-Rhystic Study effect that can also attack is a fantastic deal for a single white mana
Number 321 Language English Legal Formats Commander, Legacy, Modern, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Pauper, Pioneer, Standard, Timeless Rulings (12/1/2004) Doubling Cube's ability is a mana ability
Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.) This Vehicle's triggered ability requires a target at the time you put it on the stack, which means you can't crew this Vehicle in time to make it a legal target for its own triggered ability
The Crafter of Plagues is a 3/2 that forces everyone, yourself as well, to sacrifice a dork or planeswalker on arrival to the battlefield, and you can sacrifice him to himself to trigger Bane with a two-toughness death
Capacity is the headline feature
Keep in mind that pack points are accumulated separately by expansion, so open booster packs from a specific pack to get pack points for Lucario for that pack