Flying Whenever you cycle or discard another card, put a -1/-1 counter on each creature your opponents control. Cycling {2} ({2}, Discard this card: Draw a card.)

Each player loses half their life, then discards half the cards in their hand, then sacrifices half the creatures they control. Round up each time.

{T}: Add three mana of any one color.

{T}, Sacrifice Memory Jar: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

Whenever Etali, Primal Storm attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

Flying Whenever Scythe Specter deals combat damage to a player, each opponent discards a card. Each player who discarded a card with the highest mana value among cards discarded this way loses life equal to that mana value.

Each player loses X life, discards X cards, sacrifices X creatures, then sacrifices X lands.