Sure, giving your creatures +1/+1 is good, and can certainly help push some bonus damage, but it might not be enough to overcome an established board
Edgar Markov is by far the best Vampire to lead your armies, having an eminence ability that lets you pump out Vampire tokens even while hes in the Command Zone, an ability which is arguably too powerful
Psydrive + Giovanni is 160 DMG, enough to OHKO the challenging Exeggutor EX or wear down 180+ HP Pokmon a bit more
Yes, it costs a good chunk of mana, but late in the game, it can refresh your hand right before your turn at instant speed, giving you a chance to find what you need
One of the really powerful things this card can do is ensure a late-game land drop or action spell based on whatever is needed
(2004-10-04) The sacrifice of an artifact is an effect of the spell, not a cost, which means it happens as the spell resolves