FRONT:
Untargetable
Magtheridon can't attack or be dealt damage.
When the last Channeler leaves your party or you place your fifth resource, flip Magtheridon.
BACK: When Magtheridon flips to this side, put five cubes into play, gain a Blood, and say, "I am UNLEASHED!" Put Magtheridon's Lair into play on the Coolsown side and swap this card with Unleashed Magtheridon.