It allows the player, after sending one card from their hand to the graveyard, to fusion summon a monster using one monster, and one monster from any side
This unique feature resonated with many fans
Set Card Galleries:Brothers of Legend (TCG-EN-1E) BROL-EN001 (UR) "Kuribah" BROL-EN002 (UR) "Kuribee" BROL-EN003 (UR) "Kuriboo" BROL-EN004 (UR) "Kuribeh" BROL-EN007 (ScR) "Yowie" BROL-EN010 (UR) "Doctor D" BROL-EN062 (UR) "Kuriboh" BROL-EN065 (UR) "Detonate"
Magician's Force 1st Edition XYZ-Dragon Cannon #MFC-052 PSA 9 Previous slide Next slide 2003 Yu-Gi-Oh
If its targeted by an effect monster, it lets the player look at the opponents hand and discard a card
Counter Traps are very potent cards, and as such, many of them come with a steep cost, very specific set-up, or are aimed at countering a very niche type of effect