Gideon's Phalanx | Instant | | Create four 2/2 white Knight creature tokens with vigilance.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, creatures you control gain indestructible until end of turn. | James Ryman
Alhammarret, High Arbiter | Legendary Creature | Sphinx | Flying
As Alhammarret, High Arbiter enters the battlefield, each opponent reveals their hand. You choose the name of a nonland card revealed this way.
Your opponents can't cast spells with the chosen name (as long as this creature is on the battlefield). | Richard Wright
Gaea's Revenge | Creature | Elemental | This spell can't be countered.
Haste
Gaea's Revenge can't be the target of nongreen spells or abilities from nongreen sources. | Kekai Kotaki
The Great Aurora | Sorcery | | Each player shuffles all cards from their hand and all permanents they own into their library, then draws that many cards. Each player may put any number of land cards from their hand onto the battlefield. Exile The Great Aurora. | Sam Burley
Nissa's Revelation | Sorcery | | Scry 5, then reveal the top card of your library. If it's a creature card, you draw cards equal to its power and you gain life equal to its toughness. | Izzy
Mage-Ring Responder | Artifact Creature | Golem | Mage-Ring Responder doesn't untap during your untap step.
{7}: Untap Mage-Ring Responder.
Whenever Mage-Ring Responder attacks, it deals 7 damage to target creature defending player controls. | Adam Paquette