Using Empty the Laboratory, you can quickly cheat out humungous creatures like [c]Ebondeath, Dracolich[/c] or [c]Grimgrin, Corpse-Born[/c]
Gandalf, White Rider Gandalf, White Rider can fit into any archetype that wants to go wide and casts lots of spells
(Trackers include play aids such as dungeons, city's blessing, and monarch
And youll probably cast a spell for free from your hand, which is card advantage and tempo in a single equipment
Hands down the best sac outlet in the game, Viscera SeerViscera Seer would be excellent if it was just a one-mana creature that said "sacrifice a creature" on it, as evidenced by Carrion FeederCarrion Feeder
Besides that, you can also specify the weakness type, moves, rarity icon, set icon, etc