Combos Utilizing Coretapper

Just tap the coretappers for at least 3 charge counters, or tap on your opponents turn then on your turn for a total of 6 counters but you have to wait 2 turn to do this over again. Then when you had enough counters, sacrifice the 3 for 6 counters.

have both cards in play , then with the coretapper put charge counters on the scepter.next tap and remove 3 charge counters from the scepter to take an extra turn.

just a faster way to get those 20 counters. much, much faster!

Copy the Coretapper, tap and sac the token to add 3 counters tor the Scepter for as many turns as you like

first play the replicator and then the core tapper sit there for a couple of turns putting tons of counters on it and then get some12/12 creatures out

Put counter on coils with coretapper untap with omens and many lands.

tap and sac coretapper to add 4 counters to lightning coils

Have a couple of Coretappers and Puppeteers in play and just start stacking on those counters

bring out chalice early, counter small stuff, later in game adding counters with coretapper, means countering big stuff. Toss in a voltaic key to speed things up

play with another elf and Voltaic Construct to win