With First Strike, theres a pretty good chance your creature will come out victorious
When you do, destroy that permanent
When he isnt traveling he streams
Play bigger cards like Alma Madrigal Accepting Grandmother or Bruno Madrigal Singing Seer, then drop They Never Come Back to try and block any response, then follow with a lore-gain combo below
The Earth Crystal There are a lot of +1/+1 counters matter decks out there, and almost every single one will want The Earth Crystal
As for dual colours, eight are Dimir (blue and black), 19 are Rakdos (black and red), four are Gruul (red and green), five are Orzhov (white and black), one is Izzet (blue and red), 14 are Golgari (black and green), and six are Boros (white and red)