pokemon card pack maker EX Legend Pokémon Booster including the elusive Mew DIY Custom packs (~$1/ea) :

These all give you access to powerful removal, counterspell, and protection, something very much appreciated in a deck like Calvary Charge that wants a lot of creatures on the battlefield on your side and little on your opponents'

Pikachu McDonalds 2016, 6/12 The McDonalds set released in the US in 2016 was actually released a year earlier in Europe, but the cards are identical

These cards are designed with a full gold coloring and are also full-art cards

A fun observation is that the circle is not perfectly round

Counters are at a high enough ubiquity that a lot of color combinations are possible with it (although Im not sure as to whether there is enough to make a satisfying Chromatic Collection), though I like the two I chose