Because sacrificing a creature is an additional cost, when its copied youve already paid the cost of the copy, so you dont need to sacrifice anything else
During each player's main phase, they may roll the six-sided planar die for a chance to take an action: If it lands on the planeswalker symbol the players must planeswalk and move on to the next plane - put the current plane on the bottom of the planar deck and reveal the next one
Legendary Planeswalker - Ashiok Color tag templates(None) Planeswalker (CTRL to add secondary) Sorcery Qty: 6 Price: $169.44 Beseech the Mirror Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) Search your library for a card, exile it face down, then shuffle
I love that the ability is at instant speed and only requires you to build up a decent mana base
the viability and consequences of bans, less so