Braingeyser [Unlimited Edition] Sliver Mutant Whenever a Dragon you control

Whenever a Dragon you control attacks

"A riddle is nothing more than a trap for small minds

Set: Commander Anthology Volume II Type: Artifact Creature — Construct Rarity: Rare Cost: {4} Converge — Crystalline Crawler enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it

Set: Champions of Kamigawa Type: Legendary Land Rarity: Rare Boseiju

Set: Unlimited Edition Type: Instant Rarity: Rare Cost: {B}{B} Look at target opponent's hand and choose a card from it

Braingeyser [Unlimited Edition] Sliver Mutant Whenever a Dragon you controlSet: Unlimited Edition Type: Sorcery Rarity: Rare Cost: {X}{U}{U} Target player draws X cards.