Swamp

Mountain

Threshold — This creature has flying as long as there are seven or more cards in your graveyard.

Threshold — As long as there are seven or more cards in your graveyard, this creature gets +1/+1 and has flying.

{W}, {T}: Tap target creature.
Threshold — {W}{W}, {T}: Tap two target creatures. Activate only if there are seven or more cards in your graveyard.

Discard a card: This creature gains first strike until end of turn.

Whenever Pianna attacks, attacking creatures get +1/+1 until end of turn.

Enchant land
Enchanted land has "{T}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness."

Protection from red
{W}, Sacrifice this creature: The next time a red source of your choice would deal damage this turn, prevent that damage.