Mechanics like Shadow (can only be blocked by creatures with shadow) or Landwalk (can't be blocked if the opponent controls a specific land type) offer similar, though slightly more restricted, evasion. Top 10 Unblockable Creatures in MTG
If you meant a (Standard, Modern, Commander, Pauper) or want a deck list built around unblockable creatures, let me know and I’ll tailor the info. unblockable creatures mtg