The trick is finding big spells that actually matter
Breeches, the Blastmaker Ecstatic Electromancer Enthusiastic Mechanaut Gadget Technician Goblin Electromancer Goblin Flectomancer Goblin Test Pilot Mizzix of the Izmagnus Razorfin Hunter Sanar, Innovative First-Year Sanar, Unfinished Genius Stream Hopper
Ikoria's Apex cycle featured five creatures (Brokkos, Illuna, Nethroi, Snapdax, and Vadrok) who each had Mutate and occupied their own three-colour colour identities, while Guildpact's Nephilim cycle had five Nephilim creatures who each had four of the five colours, each missing a different one
A spell with no targets cant be redirected
When it is not under threat and there is nothing vital to kill, Ajani can lock down anything from a giant threat to a key land while forcing the opponent to find an answer