Gladehart Cavalry
{5}{G}{G}
Creature -- Elf Knight
6/6
When ~this~ enters, support 6. (Put a +1/+1 counter on each of up to six other target creatures.)
Whenever a creature you control with a +1/+1 counter on it dies, you gain 2 life.
Marchesa, the Black Rose
{1}{U}{B}{R}
Legendary Creature -- Human Wizard
3/3
Dethrone (Whenever ~this~ attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)
Other creatures you control have dethrone.
Whenever a creature you control with a +1/+1 counter on it dies, return that card to the battlefield under your control at the beginning of the next end step.