So if three creatures with double strike attack you and arent blocked, Thunderstaff will prevent a total of 6 damage
There are 40 cards in the Kaiba set, including 4 new pieces of alternate art, 2 reprints of hard-to-get alternate art from previous promotions, and 5 new Ultimate Rare versions of Kaiba's most dangerous cards
The TCG presumably did this to avoid creating Stage 3 Pokemon
Its also a good tool for combo decks that want to take less damage while trying to find a game-winning combo

Im Piquitos#5066) SPECIFIC DECKS CARDS THE DOMINANCE OF FUSION STRIKE Is being said that Fusion Strike Mew VMAX and Genesect V is going to be the best deck after rotation, so is useful knowing the important cards Mew VMAX (and Mew V) Single: 4.50$ - 9.00$ Playset: 18.00$ - 35.00$ image660920 126 KB Single: 2.50$ - 7.00$ Playset: 12.00$ - 25.00$ image660920 103 KB Genesect V Single: 2.50$ - 6.00$ Playset: 14.00$ - 28.00$ image660920 104 KB Meloetta Single: 0.20$ - 1.50$ Playset: 2.00$ - 8.00$ image660920 87.1 KB Deoxys Single: 0.30$ - 2.00$ Playset: 3.00$ - 10.00$ image660918 86 KB Power Tablet Single: 0.05$ - 1.50$ Playset: 2.00$ - 8.00$ image660920 75.2 KB Elesas Sparkle Single: 0.20$ - 1.00$ Playset: 2.00$ - 8.00$ image660920 87.7 KB Fusion Strike Energy Single: 0.10$ - 1.00$ Playset: 1.20$ - 5.00$ image660920 87.2 KB Lost Box Control A very powerful deck that seems still interesting after rotation
Pokmon TCG Pocket has taken the world by storm, and I truly mean that