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.
Sand Silos enters tapped.You may choose not to untap Sand Silos during your untap step.At the beginning of your upkeep, if Sand Silos is tapped, put a storage counter on it., Remove any number of storage counters from Sand Silos: Add for each storage counter removed this way.
Dwarven Hold enters tapped.You may choose not to untap Dwarven Hold during your untap step.At the beginning of your upkeep, if Dwarven Hold is tapped, put a storage counter on it., Remove any number of storage counters from Dwarven Hold: Add for each storage counter removed this way.
Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle.Draw a card at the beginning of the next turn's upkeep.
Bottomless Vault enters tapped.You may choose not to untap Bottomless Vault during your untap step.At the beginning of your upkeep, if Bottomless Vault is tapped, put a storage counter on it., Remove any number of storage counters from Bottomless Vault: Add for each storage counter removed this way.
Each noncreature artifact loses all abilities and becomes an artifact creature with power and toughness each equal to its mana value. If Titania's Song leaves the battlefield, this effect continues until end of turn.
Enchant creatureEnchanted creature gets +X/+Y, where X is half the number of Forests you control, rounded down, and Y is half the number of Forests you control, rounded up.
Hollow Trees enters tapped.You may choose not to untap Hollow Trees during your untap step.At the beginning of your upkeep, if Hollow Trees is tapped, put a storage counter on it., Remove any number of storage counters from Hollow Trees: Add for each storage counter removed this way.