Naban, Dean of Iteration [Dominaria] Magic Player Rewards 2005 Enchanted creature has "Cumulative upkeep

Enchanted creature has "Cumulative upkeep {1}

if Nether Shadow is in your graveyard with three or more creature cards above it

Set: Ravnica: City of Guilds Type: Instant Rarity: Uncommon Cost: {3}{U} Each player shuffles their graveyard into their library

Set: Commander 2015 Type: Legendary Creature — Merfolk Wizard Rarity: Mythic Cost: {2}{G}{G}{U}{U} Prime Speaker Zegana enters the battlefield with X +1/+1 counters on it

Naban, Dean of Iteration [Dominaria] Magic Player Rewards 2005 Enchanted creature has "Cumulative upkeepSet: Dominaria Type: Legendary Creature Human Wizard Rarity: Rare Cost: {1}{U} If a Wizard entering the battlefield under your control causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. "Perfect. Now do it again."