"This spell can't be countered" means it can't be countered even by the ward keyword ability
This would apply to all counters added until Hardened Scales is removed making it very useful, even if it not played with Sphere Grid Resourceful Defense is another card you will want to get out quickly as it allows you to move counters from a card that leaves the battlefield onto another creature
Trading with players works the same as in tabletop
When youre sitting there, sifting through those bulk collections that I know (almost) all of you are buying throughout the year, one of the key types of cards that you should be looking for are uncommons
This Rare Holo EX card is numbered 79/146 in the set
If this Synchro Summoned card is sent to the GY as Synchro Material: Inflict damage to your opponent equal to the new Synchro Summoned monster's Level x 100, and if you do, you can add 1 Level 8 or lower monster with 600 DEF from your Deck to your hand