Callaphe, Beloved of the Sea This one is a bit of a dark horse
This is particularly egregious considering how much value was packed into the original Deadpool Secret Lair drop
Artifact creature spells gaining sunburst because of Lux Artillery means that they getting +1/+1 counters based on how many colors of mana you use to cast the spell
Honorable Mentions: All-Time Legendary Japanese Pokmon Sets Several Japanese Pokmon sets continue to influence the hobby decades after their release
A dark mode is included, but I still couldnt see myself using MTGCardBuilder to design an entire sets worth of cards
3 Chaos, the Endless Cloud of Darkness Cloudbound Moogle Delivery Moogle Dion, Bahamut's Dominant Dragoon's Wyvern Esper Terra Freya Crescent Gaelicat Il Mheg Pixie Kain, Traitorous Dragoon Kefka, Ruler of Ruin Phoenix, Warden of Fire PuPu UFO Rook Turret Rosa, Resolute White Mage Sephiroth, One-Winged Angel Shinryu, Transcendent Rival Sin, Spira's Punishment Summon: Alexander Summon: Bahamut Summon: Primal Garuda Ultima, Origin of Oblivion Valkyrie Aerial Unit
