Rhystic Study [Commander's Arsenal]

Rhystic Study [Commander's Arsenal]Set: Commander's Arsenal Type: Enchantment Rarity: Common Cost: {2}{U} Whenever an opponent casts a spell, you may draw a card unless that player pays {1}. Friends teach what you want to know. Enemies teach what you *need* to know.

Set: Mirrodin Besieged Type: Sorcery Rarity: Rare Cost: {X}{G} Search your library for a green creature card with mana value X or less

where X is that creature's power

{R}: Granite Gargoyle gets +0/+1 until end of turn

Set: Beta Edition Type: Land — Island Mountain Rarity: Rare ({T}: Add {U} or {R}

Set: Innistrad Type: Enchantment Rarity: Rare Cost: {3}{G} If an effect would create one or more tokens under your control

exile Nissa

Set: Eventide Type: Creature — Elemental Rarity: Rare Cost: {1}{B}{B} Wither (This deals damage to creatures in the form of -1/-1 counters

Set: Arabian Nights Type: Sorcery Rarity: Rare Cost: {W}{W} Players play a Magic subgame

Vastwood Seer enters the battlefield

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you

Enemies teach what you *need* to know

sacrifice a land