pokemon box of booster packs 151 (Japanese) Fossil was only printed for a short period of time and is considered the scarcest of all the American Pokemon sets. Proxie 1st Edition Base Set

Improvise There arent all that many differences between convoke and improvise

There are a few decks that actual turn this rule into an exploitable advantage, using it as a free discard outlet to pitch giant creature cards to Reanimate next turn or a Dredge card such as Golgari Grave-Troll for subsequent self-milling, but in what I would call fair decks, this maximum hand size rule is not nice, especially when you are mana-screwed

Here is another way to copy Lucky Clover

If War Machine is no longer on the battlefield when his last ability resolves, use his power as he last existed on the battlefield to determine the value of X