Essentially, the target must discard one card per black mana used, making it a super powerful option capable of winning games for players
A card numbered 101/100, for example, is quite literally hidden beyond the sets advertised limits
Some Pokemon moves may deal additional effects apart from the actual damage
And while all this happens, your self-mill cards, ramp spells, and draw spells accrue tons of value
Aerodactyl can shuffle your opponent's Active Pokemon back into their deck on a lucky coin flip, which can eliminate their most important Pokemon
Pros Protection from removal Large +4/+4 pump Cons Costs 2 mana to get full value Pros Cheap at 1 mana Large +4/+4 potential Cons Requires landfall to be optimal Pros Doesn't require mana to cast Can be run in non-green decks Cons Smaller pump at +2/+2 Pros The pump is permanent as they are +1/+1 counters Can reuse persist creatures Can be used to prevent undying on an opponent's undying creature (best used without morbid in this case) Cheap to cast Cons Requires a creature to die to be optimal as a pump spell Undying creatures only become optimal targets after they have died once already