Mnemonic Wall | Creature | Wall | Defender
When Mnemonic Wall enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand. | Trevor Claxton
Prescient Chimera | Creature | Chimera | Flying
Whenever you cast an instant or sorcery spell, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) | Daarken
Prognostic Sphinx | Creature | Sphinx | Flying
Discard a card: Prognostic Sphinx gains hexproof until end of turn. Tap it.
Whenever Prognostic Sphinx attacks, scry 3. | Steve Prescott
Sealock Monster | Creature | Octopus | Sealock Monster can't attack unless defending player controls an Island.
{5}{U}{U}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
When Sealock Monster becomes monstrous, target land becomes an Island in addition to its other types. | Adam Paquette
Psychic Intrusion | Sorcery | | Target opponent reveals their hand. You choose a nonland card from that player's graveyard or hand and exile it. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell. | Jaime Jones
Prophet of Kruphix | Creature | Human Wizard | Untap all creatures and lands you control during each other player's untap step.
You may cast creature spells as though they had flash. | Winona Nelson