Osgood, Operation Double
It's also a terrifying lock piece with cards like Winter Orb and Static Orb
Adeline, Resplendent Cathar and Krenko, Tin Street Kingpin are both stellar token generators, and Hero of Bladehold continues to be relevant
Skitterspike is only 1/1, but it has the awesome indestructible ability, exactly what it sounds like, and any time it attacks, blocks, or becomes targeted by a spell, it automatically deals a damage to every player anyway
One mana, instant speed, and clean exile makes it one of the most efficient answers ever printed
Every Cluestone: This is around where Im looking for Cluestones, modified by whether Im looking for a ton of them, and obviously taking ones I might end up using over anything off-color