Sometimes you see the card feature in Standard in Pioneer, but its in Modern where it truly shines
If enough -1/-1 counters are put on a creature you control at the same time to make its toughness 0 or less, Host of the Hereafter's last ability will see all of the +1/+1 counters it had when it died as well as the -1/-1 counters it had, and the same number of each of those types of counters (plus any other applicable counters) will be put onto the target creature
Tolkien used the Ring to explore the dangers of the magician or technologist's mindset, a worldview that sees nature as raw matter ripe for manipulation, not something with its own inherent dignity and destiny." Head Magic designer Mark Rosewater said the team tried a version with negative effects, but "[i]t made people not play the mechanic." It's a revealing, if laconic answer
Its a very new card, originating in the Mask of Change set, and it allows for quick card movement
Protosynthesis Training EV yield 3 Attack Catch rate 10 (1.3% with PokBall, full HP) Base Friendship 0 (lower than normal) Base Exp
Many folks have wasted their energy hand-wringing over the ethical implications of printing your own cards for a game designed for ages 13 and up