Runed Crown [Kaldheim] Riveteers Whenever Prognostic Sphinx attacks

Whenever Prognostic Sphinx attacks

{T}: You may put an Elemental creature card from your hand onto the battlefield

Set: Zendikar Rising Prerelease Promos Type: Creature — Angel Warrior Rarity: Rare Cost: {2}{W}{W} Flying

Set: Zendikar Rising Type: Creature — Elephant Rarity: Rare Cost: {1}{G}{G} Landfall — Whenever a land enters the battlefield under your control

Then we might have a fair fight

Runed Crown [Kaldheim] Riveteers Whenever Prognostic Sphinx attacksSet: Kaldheim Type: Artifact Equipment Rarity: Uncommon Cost: {3} When Runed Crown enters the battlefield, you may search your library, hand, and or graveyard for a Rune card and put it onto the battlefield attached to Runed Crown. If you search your library this way, shuffle. Equipped creature gets +1 +1. Equip {2}