Magik is the spellsword to end all spellswords. She has a deep set of spells and magic at her disposal to rain down massive ranged damage before teleporting in close where she can berserker, using The Soulsword to lay down improved melee damage.
Colossus is the epitome of a tank. His metal skin gives him sturdy damage reduction complementing his high resilience, rendering most incoming attacks useless. His offense kit is stacked with a bunch of short-range melee attacks takign advantage of his super-strength and ability to toss foes around and destroy the battlefield around him. Once Colossus gets dug in, there’s no moving him around, making him an impenetrable damage sponge and wall to put between allies and attackers.