FlyingTetravus enters with three +1/+1 counters on it.At the beginning of your upkeep, you may remove any number of +1/+1 counters from Tetravus. If you do, create that many 1/1 colorless Tetravite artifact creature tokens. They each have flying and "This creature can't be enchanted."At the beginning of your upkeep, you may exile any number of tokens...
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.)
Enchant creatureEnchanted creature can attack as though it had haste.: Untap enchanted creature. Activate only during your turn and only once each turn.
HasteAt the beginning of your upkeep, if Nether Shadow is in your graveyard with three or more creature cards above it, you may put Nether Shadow onto the battlefield.
Flying (This creature can't be blocked except by creatures with flying or reach.)Nightmare's power and toughness are each equal to the number of Swamps you control.
At the beginning of each player's upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.
