Breaching Leviathan [Commander 2014] Spirit Noble Patient Professor enters the battlefield

Patient Professor enters the battlefield or attacks

Set: Jumpstart Type: Creature — Elemental Rarity: Uncommon Cost: {3}{G}{G} As long as you control eight or more lands

Was it just lonely

Set: Innistrad: Crimson Vow Commander Type: Creature — Vampire Assassin Rarity: Rare Cost: {2}{B} {4}{B}{B}: Exile target creature and put a +1/+1 counter on Dark Impostor

Set: Commander 2019 Type: Sorcery Rarity: Rare Cost: {2}{W}{W} Each player chooses a creature they control

Breaching Leviathan [Commander 2014] Spirit Noble Patient Professor enters the battlefieldSet: Commander 2014 Type: Creature Leviathan Rarity: Rare Cost: {7}{U}{U} When Breaching Leviathan enters the battlefield, if you cast it from your hand, tap all nonblue creatures. Those creatures don't untap during their controllers' next untap steps. These waters remain uncharted, but not for lack of trying.