You can replace them with smaller eldrazi: Emrakul, the World Anew can be replaced by Breaker of Creation
I think Norin the Wary would be good for me, since I suck at Halo and COD
To summarize , the other Charizard besides the Pokemon go logo, I enjoy the artwork more than the Saitou artwork
Once a card is exerted, it typically can't be readied again until the beginning phase of your next turn
Theres a lot of sacrifice fodder available to throw -1/-1 counters around, and the proliferate ability can help you to speed up sagas, kill bigger creatures with the previous ability, and grow some of your own creatures
You should still be afraid of the things that go bump in the extra-long night as zombies, witches, and werewolves rule the day