It allows the player to tap creatures to put a number of charge counters equal to those creatures' power onto the permanent with station

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Anywhere from a dozen players to more than 50 compete for packs of cards and bragging rights among their friends
Sacrifice Boromir, Warden of the Tower: Creatures you control gain indestructible until end of turn
Abyssal Persecutor led to such interesting game states, and Id argue this one is even more entertaining
Sorcery Draw (CTRL to add secondary) Land Mosswort Bridge Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This land enters tapped