Ashnod's Transmogrant [Antiquities] Island Swamp Mountain When Tishana's Tidebinder enters the

When Tishana's Tidebinder enters the battlefield

Set: The List Type: Sorcery Rarity: Rare Cost: {3}{B} You may exile a black card from your hand rather than pay this spell's mana cost

or whatever extensive research you've done and can show that they're from that plane

Cryptic Sovereign attacks

Ashnod's Transmogrant [Antiquities] Island Swamp Mountain When Tishana's Tidebinder enters theSet: Antiquities Type: Artifact Rarity: Uncommon Cost: {1} {T}, Sacrifice Ashnod's Transmogrant: Put a +1 +1 counter on target nonartifact creature. That creature becomes an artifact in addition to its other types. Ashnod found few willing to trade their humanity for the power she offered them.