Vona's Hunger [Rivals of Ixalan Prerelease Promos] Magic Player Rewards 2010 The Battle of Tomakul taught

The Battle of Tomakul taught Urza not to rely on fickle reinforcements

Flashback—Sacrifice a creature

Set: From the Vault: Twenty Type: Instant Rarity: Mythic Cost: {B} Add {B}{B}{B}

Fire of Kaladesh

Vona's Hunger [Rivals of Ixalan Prerelease Promos] Magic Player Rewards 2010 The Battle of Tomakul taughtSet: Rivals of Ixalan Prerelease Promos Type: Instant Rarity: Rare Cost: {2}{B} Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) Each opponent sacrifices a creature. If you have the city's blessing, instead each opponent sacrifices half the creatures they control, rounded up.