We've had some great versions of Garruk (Garruk, Caller of Beasts is my favorite), and we've had some strong variants of the guy
Staying behind in Prize Cards was very important in this format due to the prevalence of Scramble Energy () in the metagame, which Magmortar is also a great abuser of, especially with its Lv.X card
Radians effect to fill your side of the field with Kaijus is great as the tokens do not count as you having an actual Kaiju monster on your side of the field
Fortunately, one card can have a fairly large number of icons, so it is easy to boost high ability values by linking it with the Increase in Resolve that appears in the Crimson Key
UR Ultra Rare Mermail Abyssalacia X WATER Link 2 [ Sea SerpentLinkEffect ] ATK 1600 DEF - 2 Fish, Sea Serpent, and/or Aqua monsters Monsters this card points to gain 500 ATK/DEF