An unfavorable matchup would be against decks capable of using many techs, like Mathmech for example, which besides interrupting your combo with handtraps, has a good ability to finish the game through an otk
Unlike many planeswalkers the ultimate on Ajani creates a secure lock on the game, and thanks to the protection Ajani's ability gives, it is practical to get there even against decks capable of attacking
MTG Deck Types Pretty much every Magic deck in existence can be broken down into one of four categories: aggro, midrange, control, or combo
When using fusion, there are GY recovery and special summon from his GY, so recovery can be done, but after all the name difference of each material is painful
[Pendulum Effect] Once per turn, when an opponent's monster declares an attack: You can add 1 "Odd-Eyes" Pendulum Monster from your GY to the Extra Deck face-up, and if you do, negate the attack, then you can gain LP equal to that Pendulum Monster's ATK.ATK: 1000 DEF: 2100