Card

Falkenrath Celebrants

Crimson Vow Art Series

Creature — Vampire

Trample
When this creature transforms into Deadly Dancer, add {R}{R}. Until end of turn, you don't lose this mana as steps and phases end.
{R}{R}: This creature and another target creature each get +1/+0 until end of turn.

Deadly Dancer

Innistrad: Crimson Vow

When you attack with exactly two creatures, transform this creature.

Alluring Suitor

Blood

Menace (This creature can't be blocked except by two or more creatures.)
When this creature enters, create two Blood tokens. (They're artifacts with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")