
Dark Confidant | Creature | Human Wizard | At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its mana value. | Immanuela Crovius

Sephiroth, Fabled SOLDIER // Sephiroth, One-Winged Angel | Legendary Creature // Legendary Creature | Human Avatar Soldier // Angel Nightmare Avatar | Whenever Sephiroth enters or attacks, you may sacrifice another creature. If you do, draw a card.
Whenever another creature dies, target opponent loses 1 life and you gain 1 life. If this is the fourth time this ability has resolved this turn, transform Sephiroth. // Flying
Super Nova — As this creature transforms into Sephiroth, One-Winged Angel, you get an emblem with "Whenever a creature dies, target opponent loses 1 life and you gain 1 life."
Whenever Sephiroth attacks, you may sacrifice any number of other creatures. If you do, draw that many cards. | Wisnu Tan

Emet-Selch, Unsundered // Hades, Sorcerer of Eld | Legendary Creature // Legendary Creature | Elder Wizard // Avatar | Vigilance
Whenever Emet-Selch enters or attacks, draw a card, then discard a card.
At the beginning of your upkeep, if there are fourteen or more cards in your graveyard, you may transform Emet-Selch. // Vigilance
Echo of the Lost — During your turn, you may play cards from your graveyard.
If a card or token would be put into your graveyard from anywhere, exile it instead. | Néstor Ossandón Leal

Kefka, Court Mage | Legendary Creature | Human Wizard | Whenever Kefka enters or attacks, each player discards a card. Then you draw a card for each card type among cards discarded this way.
{8}: Each opponent sacrifices a permanent of their choice. Transform Kefka. Activate only as a sorcery. | Xui Ton