4th edition booster box Magic the Gathering Starter Deck Revised was the first core set to rotate some cards out Magic The Gathering 4TH Edition

Mewtwo EX doesnt

The case contains six unopened boxes, with 36 packs per box for a total of 216 packs

But thats a lot of setup, and TCG Pocket is getting faster with every new expansion

So, if you were to attach that Delicious Memory to Epurrely Plump, that monster would gain an additional, unique bonus of being able to target two spells in the graveyard to attach to Plump (increasing ATK/DEF by an additional 600) and banishing an opponents monster till the End Phase

Red-Eyes Darkness Metal Dragon has a respectable 2800 ATK/2400 DEF and is easy to special summon, only requiring you to banish 1 Dragon monster you control