booster boxe Pokemon TCG: XY Evolutions Sealed Box : Toys & Games art Versions! Pokemon Trading Card Game: Chaos

It denies and accelerates

For planeswalkers and creatures, loyalty, power and toughness are under stats and you can enter them too

(All of these tokens are considered to be revealed simultaneously, so you are not allowed to reveal the first 2 tokens with Olive, and then decide whether or not to use the statue)

But the best yet has just been revealed - Pokemon Trading Card Game Classic

If you want to appeal explicitly to collectors, then these sites are your best bet

All of these, as well as similar instants, take Kalamax infinite (or to some arbitrarily high level of power and toughness) by having Kalamaxs copy of your Fork effect copy the original, then having that new copy do the same, then repeating ad nauseum