No telling how long it took him, but that isn't a small feat
New expansions and revisions of the base game ("Core Sets") have since been released on a regular basis, amounting to four releases a year
UR Ultra Rare Morphtronic Impact Return X TRAP Target up to 2 Spells/Traps your opponent controls
Szarel, Genesis Shepherd puts +1/+1 counters on your creatures when you sacrifice any nontoken permanent
While precons are generally weaker than decks created by players, Mutant Menace is strong enough to hold its own without any alterations against non-precon decks
If damage would be dealt to Bloatfly Swarm while it has a +1/+1 counter on it, prevent that damage, remove that many +1/+1 counters from it, then give each player a rad counter for each +1/+1 counter removed this way