Kroxa, Titan of Death's Hunger
{B}{R}
Legendary Creature -- Elder Giant
6/6
When ~this~ enters, sacrifice it unless it escaped.
Whenever ~this~ enters or attacks, each opponent discards a card, then each opponent who didn't discard a nonland card this way loses 3 life.
Escape--{B}{B}{R}{R}, Exile five other cards from your graveyard. (You may cast ~this~ from your graveyard for its escape cost.)
Uro, Titan of Nature's Wrath
{1}{G}{U}
Legendary Creature -- Elder Giant
6/6
When ~this~ enters, sacrifice it unless it escaped.
Whenever ~this~ enters or attacks, you gain 3 life and draw a card, then you may put a land card from your hand onto the battlefield.
Escape--{G}{G}{U}{U}, Exile five other cards from your graveyard. (You may cast ~this~ from your graveyard for its escape cost.)