Chalice of the Void [Masters 25] Magic Player Rewards 2006 Set: Legends Type: World Enchantment

Set: Legends Type: World Enchantment Rarity: Uncommon Cost: {2}{G}{G} Creatures can't attack a player unless that player cast a spell or put a nontoken permanent onto the battlefield during their last turn

Set: Legends Type: Creature — Kobold Rarity: Uncommon Cost: {1}{R} Other Kobold creatures you control get +1/+0

Enchanted creature can't be blocked except by Walls

Whereas Mishra works in metals and stone

As the green sun crowned

Chalice of the Void [Masters 25] Magic Player Rewards 2006 Set: Legends Type: World EnchantmentSet: Masters 25 Type: Artifact Rarity: Mythic Cost: {X}{X} Chalice of the Void enters the battlefield with X charge counters on it. Whenever a player casts a spell with mana value equal to the number of charge counters on Chalice of the Void, counter that spell.