Counterspell It's long been wondered if Counterspell, one of the most iconic blue cards ever printed, would be too powerful for Modern
It has prism-like holograms all over the card (Pokeball pattern)
It can also be useful in EDH decks running Mystical Tutor and similar effects to manipulate the top of your library
Demonic Counsel, while flavored like Demonic Tutor, requires a bit of extra work to get the game breaking benefit of searching your library for a card.You do need to have Delirium (4 different Card types in your Graveyard) to be able to search what you need akin to Traverse the Ulvenwald.Delirium can be hard to activate, even if youre running fetchlands, a mix of permanent types and some Instants and Sorceries
If there are cheap ways to turn Rattleclaw Mystic face up and face down, you could easily get into an infinite mana situation
Count them exactly as you would on an English card Damage number : On the right side of each attack