Ral and the Implicit Maze's last ability creates a token that's a copy of the card Spellgorger Weird in the Oracle card reference
Other uses can be anything, but Im sure it helped against Kyurem VMAX, Mew VMAX, and Radiant Greninja
Decoding Pokmon Card Types: Abilities, Attacks, and Strategic Utility The Pokmon Trading Card Game revolves around three primary card types: Pokmon cards, Energy cards, and Trainer cards, each with distinct roles that contribute to strategic gameplay
INCLUDEDIncludes 4 pages of blank trading card cutouts in carious sizes
Deal damage to all creatures and/or all Planeswalkers Damage can be targeted at a single creature or it can be used to hit multiple creatures, and sometimes all the creatures (even your own)
Ive heard some call it the green Shelly (Sheoldred, the Apocalypse) for formats like Standard and Modern and its not a perfect analog since Ouroboroid cant just solo people like Shelly can, and is worse against bolts but it does highlight something: letting this live for a turn or two can make life rough, even on its own