Loot effects are particularly good with Excavator as unlike Courser it does not improve the quality of your draws by filtering out some of the lands you would otherwise draw
No exerted targets or all Evasive characters
Remove three charge counters from this artifact: This artifact becomes a 6/6 Construct artifact creature with trample until end of turn
The main reason it isn't quite as high on the list, compared to the other two "Bonder" creatures on this list, is that while flash is more common in this set than in others, there isn't quite enough to make this one shine over, for instance, menace or flying
It will have power and toughness equal to the number of sacrificed Forests, but this is wildly infeasible
Honourable Mentions Kor Skyfisher Preordain Qasali Pridemage Phyrexian Rager Quirion Ranger Arcane Denial The Vivid Lands Beast Within Figure of Destiny Brainstorm Shriekmaw Think Twice Lighthouse Chronologist Student of Warfare Izzet Charm Muldrifter See Beyond As you look over the top ten list and this selection of cards that didn't quite make it you probably notice some distinct themes