Iron Maiden [Urza's Legacy]

Iron Maiden [Urza's Legacy]Set: Urza's Legacy Type: Artifact Rarity: Rare Cost: {3} At the beginning of each opponent's upkeep, Iron Maiden deals X damage to that player, where X is the number of cards in their hand minus 4. The maiden is a jealous lover.

" the vizier answered

Set: Onslaught Type: Sorcery Rarity: Rare Cost: {6}{G}{G} Each player's life total becomes the number of creatures they control

its controller creates a 4/4 red Dragon creature token with flying

it's the stuff of nightmares

Set: Diamond & Pearl: Base Set Type: Grass Rarity: Common Retreat cost: Colorless

Set: Planechase 2012 Type: Enchantment Rarity: Rare Cost: {3}{U}{U} At the beginning of each player's upkeep

which means

Whenever a Dinosaur enters the battlefield under your control

the moon's rising

Tap an untapped Vampire you control: Transform Chosen of Markov

sacrifice all other permanents you control and discard your hand

Set: Commander 2014 Type: Enchantment Rarity: Rare Cost: {2}{W} At the beginning of your upkeep