X is one of those cards that, like Raichu LV
Surge Trainer Rare Holo 018/132: Misty Trainer Rare Holo 019/132: The Rockets Trap Trainer Rare Holo 127/132: Fighting Energy Energy Basic Energy 128/132: Fire Energy Energy Basic Energy 129/132: Grass Energy Energy Basic Energy 130/132: Lightning Energy Energy Basic Energy 131/132: Psychic Energy Energy Basic Energy 132/132: Water Energy Energy Basic Energy 001/132: Blaines Moltres Fire Rare Holo 002/132: Brocks Rhydon Fighting Rare Holo 003/132: Erikas Clefable Colorless Rare Holo 004/132: Erikas Dragonair Colorless Rare Holo 005/132: Erikas Vileplume Grass Rare Holo 006/132: Lt
A "mono" artifact meant that you had to tap the artifact to use its activated ability
In terms of draw, it's fine, cast, tap, draw a card, place a burden counter, upkeep place counter draw 2, 3 cards for 4 mana isn't horrible, and obviously if the game goes long you can draw a lot with it, but you need to have some way to slow down the game, and there's just so much really strong card draw in Commander
Related #4: Contagion Engine Proliferate is one of MTGs most useful abilities, and this high-cost artifact combines proliferate with non-destruction removal