Shoreline Looter Shoreline Looter reliably digging through your library makes it a decent 2-drop
Blue-Black Creatures (21) Sephiroth, Planet's Heir Sahagin Il Mheg Pixie x3 Ultimecia, Temporal Threat Undercity Dire Rat x4 Shinra Reinforcements x3 Shambling Cie'th x3 Al Bhed Salvagers x3 Seymour Flux Xande, Dark Mage Sorceries (6) Retrieve the Esper x2 Relm's Sketching Evil Reawakened x2 Deadly Embrace Instants (7) Dreams of Laguna x2 Sephiroth's Intervention x3 Overkill x2 Artifact (1) Lands (25) Treno, Dark City x4 Island x9 Swamp x12 Sephiroth has a high mana cost and to help make up for it, an effect that can shrink or kill many creatures
Combining all the Minotaurs with Sethron, Hurloon Generals second ability, we can buff our Minotaurs and make them battle-ready (with haste) and hard to be blocked (with menace)
Having different options at your disposal makes you a nightmare
If all you want is to find one card you can find it but the Vault offers something more by letting you preview what cards would come along with it, allowing players to plot out the next several turns of the game and see if the sequence being offered would get it done
You won't see the MTG shroud keyword on many Magic: The Gathering cards these days, but you should still know what it means