![Underworld Breach (Borderless) [The Lost Caverns of Ixalan Special Guests] Magic Player Rewards 2010 (He can't attack if he](https://cdn.shopify.com/s/files/1/0275/0146/1640/products/59741b2a-8926-5c7f-bfa8-79dd5fbe735c_fdcdcde2-a580-43fb-9f45-3f35fbbd7ce7.png?v=1707852430)
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(He can't attack if he was cast this turn
They are the sleeper agents
When Merrow Harbinger enters the battlefield
Set: Shadowmoor Type: Creature — Beast Rarity: Rare Cost: {3}{U}{U} Whenever River Kelpie or another permanent enters the battlefield from a graveyard
−2: Target creature's controller sacrifices it
Underworld Breach (Borderless) [The Lost Caverns of Ixalan Special Guests] Magic Player Rewards 2010 (He can't attack if heSet: The Lost Caverns of Ixalan Special Guests Type: Enchantment Rarity: Rare Cost: {1}{R} Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.) At the beginning of the end step, sacrifice Underworld Breach.
