Thundercloud Shaman [Commander Anthology Volume II] DP16 The Tribute Summoned monster must

The Tribute Summoned monster must be face-up on the field to activate and to resolve this effect

You must also Tribute monsters from the field or your hand whose total Levels equals the Level of the Ritual Monster you Ritual Summon

Once per turn: You can target 1 Dragon-Type Synchro Monster in the Graveyard

Set: Duel Power Card type: Quick Play Spell Rarity: Ultra Rare When a monster's attack is negated: Target that monster

Thundercloud Shaman [Commander Anthology Volume II] DP16 The Tribute Summoned monster mustSet: Commander Anthology Volume II Type: Creature Giant Shaman Rarity: Uncommon Cost: {3}{R}{R} When Thundercloud Shaman enters the battlefield, it deals damage equal to the number of Giants you control to each non Giant creature. He cares not for the disasters his storm brings as long as his path ahead is clear.