You have to play this in a token heavy strategy to really get the maximum aggro potential
With so much power packed into a single card type, you need plenty of ways to interact with thempreferably by smashing them into pieces
PCC - Wonder Shine 110 Your opponents Active Pokmon is now Confused
While it can be argued that a card like Eternal Witness will often work better in some decks than Snapcaster Mage, you cant use that card to give something like Mana Drain flashback at instant speed to stop a key threat and keep you in the game
A free Dread Return every turn is terrifically strong, especially when combined with the Whispering Ones second upkeep ability that triggers on every opponents upkeep: that player sacrifices a creature. Thats roughly a five-for-one right out of the gate, though, at seven mana, you will have to wait a while for this upkeep effect to spring into action
This is why 90 micron is the only choice for competitive and collecting players in the USA: Superior Shuffle Feel Why it Matters for MTG: Thinner sleeves often stick or bend, making shuffling difficult during crucial tournament moments