mewtwo pokemon card set V 030/078 Ultra Rare Pokémon (Pokémon GO Special TCG Set) + 1 x TitanCards Toploader Toys the trusted official grading guarantees its condition Pokemon 151 Mew ex, Mewtwo

The opportunity to play your own one-drop spell and then shut down your opponents with free counterspells is already borderline too-good with more significant drawbacks

What an acorn security stamp means is exactly what a silver border used to

In other words, the ability won't trigger if the creature with the ability is the second spell you cast during a turn or if you have already cast two or more spells by the time that creature enters the battlefield that turn

However, you are also given the option to destroy cheap non-Creature, non-Land permanents

Notching a +2/+2 boost to each of your creatures whenever they attack is a pretty meaty gain, and it pairs perfectly with any number of notable commanders that care about attacking all the time