It isn't a mechanic that combos well with other cards, aside from effects that let you know what card is on top of your library
Facilier Charletan, Timon Grub Rustler, Scar Firey Usurper, Magic Golden Flower, and Micky Mouse Steamboat Pilot Uncommons: Eye of the Fates, The Beast Is Mine, Ursala's Cauldron Rare or above: Part of the World (Rare), and Grab Your Sword (Rare) Foil: Aladdin Heroic Outlaw (Super Rare) The Aladdin Super Rare Foil pull is great and saves this pack
Preventing creatures from blocking can close a game but offers little value without board presence
The goal is to quickly cast cheap, efficient creatures, that can grow via the evolve ability, with counters, or very efficiently costed creatures (like a 5/4 for 3 mana) Once you have an army out, cast aspect of hydra to attack for 20+ damage by turn 4
Its difficult to find balance with sweepers, as they have a way of either ending the game on their own or not mattering much at all, with games where they fall somewhere in-between being rarer than either extreme
however, the payoff should be worth it