You can pay extra mana to gain extra effects - almost like levelling up in D&D - with the Barbarian Class giving a creature +2/+0 and menace when you roll a die, and its final level giving all of your creatures haste
Introducing the custom-made Lorcana card, Elsa Spirit of Winter, a majestic addition to your collection
As long as you are that battles owner and controller (reminder: the chosen defender for a siege battle is not their controller), you could technically choose it for a sacrifice effect
Some of the more well-known culprits from Greek mythology are included here, like your cyclops, your manticore and an Underworld Rage-Hound - who is a nod (or three) to underworld gatekeeper Cerberus, a three-headed dog who guards the entrance to hell in Greek mythology
It has the buildings of a staple planeswalker card between its synergies, damage, and removal, so the hype is real on this one