Cho-Arrim Alchemist [Mercadian Masques] Number Hunters and if you do any

and if you do any of these

Set: Star Pack 2013 Card type: Xyz/Effect Monster Rarity: Common Attack: 100 Defense: 1000 3 Level 2 monsters Once per battle

add 1 Level 4 or lower Machine-Type monster from your Deck or Graveyard to your hand

Set: Sun & Moon: Hidden Fates Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

Set: Dark Revelation Volume 4 Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 Select 1 monster your opponent controls That monster loses 400 ATK for each "Hero Kid" in your Graveyard

Cho-Arrim Alchemist [Mercadian Masques] Number Hunters and if you do anySet: Mercadian Masques Type: Creature Human Spellshaper Rarity: Rare Cost: {W} {1}{W}{W}, {T}, Discard a card: The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way.