He was especially good at punishing players relying on sweepers, both in dodging them and in how quickly he goes ultimate, creating an inevitability thats extremely hard to race
He has reasonable in built synergy and fairly unusually a really strong ultimate
(2023-06-16) The trigger event doesn't have to specifically refer to legendary permanents or to artifacts, nor does it have to specifically refer to when something "leaves the battlefield." For example, an ability that triggers "whenever a creature dies" would trigger twice if a legendary creature or an artifact creature dies while Gandalf the White is on the battlefield, as would an ability that triggers "whenever a permanent is put into a graveyard from the battlefield." (2023-06-16) Look at each legendary permanent and each artifact as it exists on the battlefield, taking into account continuous effects, to determine whether any triggered abilities will trigger multiple times
These effects that don't require the ability-holder to tap, are always sneaky-useful and synergize well with your artifact cards
The games heavily marketed Immersive Cards are also quite cool, even if they dont retain much luster after watching their flashy videos a few times (which is easily done on YouTube)
Building a sealed/draft environment is the biggest challenge most constructed formats easily allow for three colors, so its not too challenging for three color cards to find a home
