Jar of Eyeballs [Commander 2013] 248 You can only activate this

You can only activate this effect during your Main Phase or your opponent's Battle Phase:

then inflict 300 damage to your opponent for each monster banished

but the local tribes avoid it at all costs

• Send the top 3 cards of your Deck to the GY

Jar of Eyeballs [Commander 2013] 248 You can only activate thisSet: Commander 2013 Type: Artifact Rarity: Rare Cost: {3} Whenever a creature you control dies, put two eyeball counters on Jar of Eyeballs. {3}, {T}, Remove all eyeball counters from Jar of Eyeballs: Look at the top X cards of your library, where X is the number of eyeball counters removed this way. Put one of them into your hand and the rest on the bottom of your library in any order.