When Tornado Elemental enters, it deals 6 damage to each creature with flying. You may have Tornado Elemental assign its combat damage as though it weren't blocked.
Instant and sorcery spells have rebound. Whenever chaos ensues, you may search your library for an instant or sorcery card, reveal it, put it into your hand, then shuffle.
All lands have "{T}: Add one mana of any color." Whenever chaos ensues, reveal the top three cards of your library. Put all land cards revealed this way into your hand and the rest on the bottom of your library in any order.
Creature spells cost {2} less to cast. Whenever chaos ensues, reveal the top three cards of your library. Put all creature cards revealed this way into your hand and the rest into your graveyard.
Whenever a creature deals combat damage to a player, its controller may draw a card. Whenever chaos ensues, you have no maximum hand size for the rest of the game.
Intimidate Other creatures you control have intimidate. Whenever Vela the Night-Clad or another creature you control leaves the battlefield, each opponent loses 1 life.
Vela snuffs out every trace of Krond's reign, leaving pure nightfall in her wake.
Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. Whenever chaos ensues, target creature gains all creature types until end of turn.