Cost reduction comes in the form of mana dorks like Zhur-Taa Druid and Ruby, Daring Tracker, but also cards like Goblin Anarchomancer
I block with [c]Insatiable Hemophage[/c], another 3/3 deathtouch creature
It's decisively an Aggressive deck that lives for combat, slapping a scary threat on the board, like Balan, Wandering Knight, and smashing face while the Control player scrambles to find answers to the mad kitty and its big ol' Hammer of Nazahn
Aporia uses a "Machine Emperor" deck, full of machines which have effects that counter Synchro Monsters
And it doesn't even enter the battlefield tapped
Obtaining these special cards can be exciting but for collectors looking for the most premium copy, these cards demand a high price on secondary markets