The Game-Changing Host [Unknown Event] Enchantment Creature Set: 30th Anniversary Edition Type:

Set: 30th Anniversary Edition Type: Sorcery Rarity: Rare Cost: {2}{U} Each player shuffles their hand and graveyard into their library

Numsgil did in Blog

Set: Champions of Kamigawa Type: Legendary Artifact — Equipment Rarity: Rare Cost: {3} Equipped creature gets +3/+1

the cryptothrall exists for one reason: to defend its master to the death

The Game-Changing Host [Unknown Event] Enchantment Creature Set: 30th Anniversary Edition Type:Set: Unknown Event Type: Legendary Creature Human Wizard Rarity: Rare Cost: {2}{G}{U}{R} Anything that could have changed The Game Changing Host on the turn it enters applies retroactively. (He's been here the whole time.) T: Create a copy of a Game Changer at random. You may play the copy without paying its mana cost. (There are currently 61. Perhaps look at a list and randomize?)