Because collecting (rather than battling) is what initially draws a lot of people to the physical card game, Creatures Inc
Will there come a time when WOTC prints so many Shocklands that these become worth under $5

Card Set(s) -ONE PIECE CARD THE BEST- [PRB-01] CARD VIEW ST03-008 | C | CHARACTER Trafalgar Law Attribute Slash Block Icon 1 Type The Seven Warlords of the Sea/Heart Pirates Effect [Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) Card Set(s) -ONE PIECE CARD THE BEST- [PRB-01] CARD VIEW ST03-008 | C | CHARACTER Trafalgar Law Attribute Slash Block Icon 1 Type The Seven Warlords of the Sea/Heart Pirates Effect [Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) Card Set(s) -ONE PIECE CARD THE BEST- [PRB-01] CARD VIEW ST03-008 | C | CHARACTER Trafalgar Law Attribute Slash Block Icon 1 Type The Seven Warlords of the Sea/Heart Pirates Effect [Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) Card Set(s) -ONE PIECE CARD THE BEST- [PRB-01] CARD VIEW ST03-013 | C | CHARACTER Boa Hancock Attribute Special Block Icon 1 Type The Seven Warlords of the Sea/Kuja Pirates Effect [Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) Trigger [Trigger] Play this card

But Kaervek's Torch was the first spell to pack what would become the formula for the unnamed, lets call it proto-ward mechanic for years to follow: Spells that target it cost more to cast. This effect was introduced on a permanent in Planechase 2012 with Elderwood Scion, and the costing--more-to-cast formula generally appeared on one card per set (with plenty of exceptions) starting with Dragons of Tarkir s Icefall Regent
And sometimes, just warping this card in, attacking, and drawing a card is a strong move