In anything short of cEDH, the cards you play dont matter so much as when you play them, how you play them and what your opponents play
For one thing, it's much cheaper to cast and can deal a fair bit of damage with his 7/6 statline
With all the attention Lulu, Stern Guardian is currently getting, however, Lulus applications may become well-known enough for players to remove them more promptly
This will allow them to easily pull the tape off, rather than having to open the toploader with a knife or scissors & risk damaging the card inside
Rydia reanimating Fenrir after it expires on turn five is filthy
Double-faced cards show transformations or key moments, like Kefka, Court Mage/Kefka, Ruler of Ruin, Sephiroth, Fabled SOLDIER/Sephiroth, One-Winged Angel, or Clive, Ifrits Dominant/Ifrit, Warden of Inferno