Enchantment Color tag templates(None) Golgari Germination Whenever a nontoken creature you control dies, create a 1/1 green Saproling creature token
You can have an investigate build with investigate tribal, filling the deck with cards that investigate and cards like Eloise, Nephalia Sleuth and Wernog, Rider's Chaplain
There are plenty of powerful cards to play without multiple mana symbols, and its powerful with commanders that cost or have a cost of like Niv-Mizzet Reborn or Jodah, Archmage Eternal
Not actual card
Collector boosters have premium content and come at a premium price, most retail for around $20 to $30
Kaldra Compleat managed to push things a bit farther in both directions, in that it was a stronger equipment to put into play, but it was also even harder to cast on its own