While this may seem bad, having multiple weaknesses, you will almost never come across a deck with all three types of these Pokmon
Whatever direction you take The Mycotyrant, whether it's crusty old Fungus cards from nearly 20 years ago, a highly tuned combo deck loaded up with tutors or something in between, I hope if you build around this card you're able to get it to do what you want
When it attacks, you can exile another target attacking creature you control
BPhillipYork: Neat, and gives you a way to sacrifice your big Titans in response to being exiled so they go back into your deck
Card Name Mana Cost Type Instant Rarity Rare rules Text Until end of turn, if target player would draw a card, instead that player skips that draw and you draw a card