1st series pokemon cards Base Set (1st Edition & Shadowless) Series 1 Pokemon TCG Base Set Checklist:

Shadowspear Shadowspears low casting cost, reasonable equip cost, and the plethora of boons it offers an equipped creature hearkens back to Basilisk Collar, a card that saw years of tournament and Commander play after its release in Worldwake

It enters the battlefield as a 1/2 that can remove +1/+1 counters to deal damage to attacking or blocking creatures

For 6 mana, you get a decent-sized creature, creature removal, and lifegain

Source: TCG Player (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14) Pokemon Trading Card Game Released April 10, 2000 ESRB e

These often take the form of Background commanders, where having a non-creature enchantment in the Command Zone allows for the easiest access of that type out of any option in Red and/or Blue