Illustrated by Dan Murayama Scott Standard Not Legal Alchemy Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
As soon as Decimator Beetles ability resolves, state-based actions are checked, and the game sees that you have both counter types on your Servant, so one +1/+1 counter and one -1/-1 counter are removed at the same time (resulting in Servant dying)
So you should do this once, properly, and every later step gets faster
Ward only triggers when the permanent with ward is targeted by someone other than its controller, so you never have to pay the ward cost on your own cards
Gandalf the White has flash, and grants the same effect to all the player's legendary spells and artifact spells, which is excellent for many Tales of Middle-earth decks
Then the fun commences with summons that are both sagas and creatures and offer a wealth of effects when you can add or remove counters each turn