Aura Shards (233) [Invasion] Tenth Edition where X is the number

where X is the number of cards in their hand minus 4

Set: Limited Edition Beta Type: Enchantment — Aura Rarity: uncommon Cost: {W} Enchant creature Enchanted creature has protection from black

Set: The Brothers' War Promos Type: Sorcery Rarity: mythic Cost: {X}{G}{G} Create X 1/1 green Forest Dryad land creature tokens

you may copy that ability

Set: Judge Gift Cards 2003 Type: Creature — Human Druid Rarity: rare Cost: {1}{G} Shroud (This creature can't be the target of spells or abilities

Aura Shards (233) [Invasion] Tenth Edition where X is the numberSet: Invasion Type: Enchantment Rarity: uncommon Cost: {1}{G}{W} Whenever a creature you control enters, you may destroy target artifact or enchantment.