Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)At the beginning of your upkeep, Force of Nature deals 8 damage to you unless you pay .
As Black Vise enters, choose an opponent.At the beginning of the chosen player's upkeep, Black Vise deals X damage to that player, where X is the number of cards in their hand minus 4.
Rock Hydra enters with X +1/+1 counters on it.For each 1 damage that would be dealt to Rock Hydra, if it has a +1/+1 counter on it, remove a +1/+1 counter from it and prevent that 1 damage.: Prevent the next 1 damage that would be dealt to Rock Hydra this turn.: Put a +1/+1 counter on Rock Hydra. Activate only during your upkeep.
Flying (This creature can't be blocked except by creatures with flying or reach.): Regenerate Will-o'-the-Wisp. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)
Flying (This creature can't be blocked except by creatures with flying or reach.)Whenever a creature dealt damage by Sengir Vampire this turn dies, put a +1/+1 counter on Sengir Vampire.