
Kalain, Reclusive Painter | Legendary Creature | Human Elf Bard | When Kalain, Reclusive Painter enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
Other creatures you control enter the battlefield with an additional +1/+1 counter on them for each mana from a Treasure spent to cast them. | Justine Cruz
4.0 LSV

Orcus, Prince of Undeath | Legendary Creature | Demon | Flying, trample
When Orcus, Prince of Undeath enters the battlefield, choose one —
• Each other creature gets -X/-X until end of turn. You lose X life.
• Return up to X target creature cards with total mana value X or less from your graveyard to the battlefield. They gain haste until end of turn. | Andrew Mar
5.0 LSV

Tiamat | Legendary Creature | Dragon God | Flying
When Tiamat enters the battlefield, if you cast it, search your library for up to five Dragon cards not named Tiamat that each have different names, reveal them, put them into your hand, then shuffle. | Chris Rahn
3.5 LSV