Its got 180 cards in the set, which is more than triple Print and Plays while being a more reasonable number for a hobbyist than Amazons 500
In EDH, dealing 2 damage to everybody each time you play an instant or sorcery is huge, and players wont be too keen on spending removal on your guy
And thus, Emerald Charm was a handy solution to any global enchantments (for you younglings, those enchantments which don't enchant anything in particular, such as Form of the Dragon or Worship), a way to bring flyers down to earth, and a second use of a utility creature, all wrapped into one neat little charm
GR Gold Rare Prank-Kids Dropsies X WATER Level 2 [ AquaEffect ] ATK 1000 DEF 1000 If this card is sent to the GY as material for the Fusion or Link Summon of a "Prank-Kids" monster: You can gain 1000 LP, then you can Special Summon 1 "Prank-Kids" monster from your hand or Deck in Defense Position, except "Prank-Kids Dropsies"
So it does seem like Wizards has learnt from past mistakes