If you want to target a particular Pokemon, you'll need to talk to your friend outside of the game and agree on the trade before starting it in-game
Regardless of what you go with, both methods give you the same resource: keys
Like Meowth ex, this card holds a modest value that may be easier to attain than a card that might cost upwards of $800-$1,000 (which we'll talk about later on the list)
Raging Bolt ex, Gholdengo ex) and unfavorable otherwise
Number Evail Normal Spell If only your opponent controls a monster Special Summoned from the Extra Deck: Reveal 4 "Number" Xyz monsters from your Extra Deck with different Ranks, then Special Summon 1 "Number" Xyz monster from your Extra Deck whose "Number" in it's name equals the total of those 4 monster's "Number"s (this is treated as an Xyz Summon), and if you do, attach the 4 revealed monsters as material, also you cannot Special Summon monsters while you control that face-up monster, except "Number" monsters
Blessed Orator, Lashknife Barrier, Diversionary Tactics, and Worship combine with Squirrels to stall most opposing creature-based strategies so that you can set up something tricky later in the game (something involving Phyrexian Altar or Test of Endurance, perhaps?)