Black Knight [Collectors' Edition] Shadowmoor Tokens If Gemstone Caverns has a

If Gemstone Caverns has a luck counter on it

Set: Alpha Edition Type: Instant Rarity: Rare Cost: {W} Target spell or permanent becomes white

where X is the number of Slivers on the battlefield

Set: Magic 2012 Type: Creature — Hydra Rarity: Mythic Cost: {X}{G}{G} Primordial Hydra enters the battlefield with X +1/+1 counters on it

If it's greater

Black Knight [Collectors' Edition] Shadowmoor Tokens If Gemstone Caverns has aSet: Collectors' Edition Type: Creature Human Knight Rarity: Uncommon Cost: {B}{B} First strike (This creature deals combat damage before creatures without first strike.) Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.) Battle doesn't need a purpose; the battle is its own purpose. You don't ask why a plague spreads or a field burns. Don't ask why I fight.