For Shadowless, some packs and boxes used the same commons and uncommons sheets (see for example), while other did not (see I was able to reconstruct the sheets used for the 1st Edition and some of the Shadowless print runs of the commons, uncommons and Basic Energies
If youre playing green, you should probably run at least one copy of this in your deck (at least in Pioneer)
Synergizing with spells that draw cards, certain blue creatures can turn the tide of a game
This is either 2 mana for an exiling Disenchant or 4 mana for Utter End, which a fairly middling piece of creature removal that sometimes snipes different permanent types for half the cost
6 Counter Intelligence Charging Up Counter Intelligence is a precon built around charge counters, a mechanic that has been around for a while, but had never been the entire focus of a set previously