For example, if you control The Ozolith ("Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith.") when Zack Fair's last ability resolves, you'll put the appropriate number of each kind of counter onto both The Ozolith and the target creature
Also available at those Prereleases (while supplies last at your friendly local game store) will be some special time-stamped promos: While youre picking up whatever Sealed product youd like at those Prereleases, you can also pick up a Boy-a-Box promo (again, while supplies last), a callback to the original creature-land, a retro-bordered Mishras Foundry
Instant Color tag templates(None) Spell Swindle Counter target spell
Their high demand and popularity's almost enough to sell a product on its own
If your group is into wild one-shot kills, this troll stands out
Synergy For decks that score well in the previous three, my personal tie breaker is how much they may have brought older cards to the format, reprinted key cards from older sets and such