If youre playing against an opponent that wants to chain mana rocks together in the early game, tacking on a 1-mana tax onto each rock means they often have to spread their ramp over multiple turns
Some cards are placed face down and can be triggered either at will or when certain conditions are met in the game
Regirock-EX certainly reminds us of Deoxys-EX, but its not quite as good given that it has an underwhelming attack and three retreat cost, but its still able to swing games in your favor
Not only do you deny your opponents access to their core engines this way, but you snatch them for your own use
Needing to play a bunch of creatures, needing to wait until your upkeep, and needing to pay two life to draw the card all constrict the power of Call of the Ring just a bit, but for two mana, this can easily fit into all sorts of decks
How Card Grading Affects Your Sale Price The condition of your card is your single biggest pricing lever