You won't see the MTG shroud keyword on many Magic: The Gathering cards these days, but you should still know what it means
It explores any time it deals combat damage to an opponent
We quickly determined that our solution ought to be a dungeon
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
Shoreline Looter Shoreline Looter reliably digging through your library makes it a decent 2-drop
It's also widely considered to be one of the worst mechanics in the game, and hasn't been seen since