Technically, the first new card type was called mana source, but that was just an experiment to make producing mana not cause problems in gameplay
Attack!" When Marik activates that monster's effect, he announces, "Granadora activates its effect!" When Marik Summons "Humanoid Slime", he announces, "Humanoid Slime!" Most of the time when Marik attacks with that monster, he announces, "Attack, Humanoid Slime! When Marik Summons "Juragedo", he announces, "Juragedo!" Most of the time when Marik attacks with that monster, he announces, "Attack, Juragedo! When Marik activates that monster's first effect, he announces, "Juragedo activates its effect from my hand!" When Marik activates that monster's second effect, he announces, "I activate Juragedo's effect!" When Marik Summons "Lekunga", he announces, "Lekunga!" Most of the time when Marik attacks with that monster, he announces, "Lekunga
If you go really deep into Boros, you'll find cards that reward you for playing multicolor creatures
Surges Rattata Colorless Common 086/132: Lt
A fantastic pickup for any collector or investor
Once per turn, if your opponent activates a card(s) effect(s) that would destroy 1 face-up Dragon-type monster you control, you can detach 1 Xyz material from this card and draw 1 card instead