Ricardo Silva Engineered Explosives especially shines against 0-mana permanents, serving as an efficient answer to Crashing Footfalls or Urzas Saga tokens in Modern
The first fights (kills) as many creatures as it can upon entering the battlefield
Vintage decks can run even fewer, relying on Power 9 mana rocks and Sol Ring/Mana Crypt to generate fast mana
However, upon reaching Player Level 9, you can upgrade that card to Divine Fervor, which gives all friendly creatures +1/+1, allowing greater support for any creatures you have on the field
If Gogo copies a legendary creature, Gogo will also be legendary, but because its name remains Gogo, Mysterious Mime, the "legend rule" won't cause either of them to be put into the graveyard
I sure do, and it was always floating around in my control decks