mtg.wtf

Flying
When Rathi Dragon enters the battlefield, sacrifice it unless you sacrifice two Mountains.

Equipped creature gets +2/+1 and has haste.
Whenever a Warrior creature enters the battlefield, you may attach Obsidian Battle-Axe to it.
Equip {3}

Haste; horsemanship

Rain of Blades deals 1 damage to each attacking creature.

Mutate {1}{R/W}{R/W}
Whenever this creature mutates, other creatures you control get +2/+1 until end of turn.

Whenever one or more cards are put into exile from your hand or a spell or ability you control exiles one or more permanents from the battlefield, put that many +1/+1 counters on Hero of Bretagard.
As long as Hero of Bretagard has five or more counters on it, it has flying and is an Angel in addition to its other types.
As long as Hero of Bretagard has ten or more counters on it, it has indestructible and is a God in addition to its other types.

Destroy target artifact.

Destroy all enchantments.

{T}: Add {G}.

Destroy each artifact with mana value X or less.

Until end of turn, target creature loses all abilities and has base power and toughness 0/1.

{T}: Add one mana of any color.
{T}: Target creature becomes the color or colors of your choice until end of turn.

When you speak, sacrifice Goblin Mime.

When Merfolk Observer enters the battlefield, look at the top card of target player's library.

Flying
Order of Midnight can't block.

Destroy target artifact or enchantment.
Revolt — If a permanent you controlled left the battlefield this turn, you gain 3 life.

Other enchantments have "At the beginning of your upkeep, sacrifice this enchantment unless you pay {2}."

Shadow
Dauthi Warlord's power is equal to the number of creatures with shadow on the battlefield.

{T}: Add {C}.
{3}, {T}: Target creature can't block this turn. Activate only as a sorcery.

{U}{U}, {T}, Discard a card: Counter target noncreature spell.

Flying
Other Demons, Devils, Imps, and Tieflings you control get +1/+1 and have lifelink.
At the beginning of each end step, if a creature card was put into your graveyard from anywhere this turn, create a 1/1 red Devil creature token with "When this creature dies, it deals 1 damage to any target."

Whenever you put one or more time counters on a permanent you control, create a 1/1 white Soldier creature token.
Whenever Kate Stewart attacks, you may pay {8}. If you do, attacking creatures get +X/+X until end of turn, where X is the number of time counters among permanents you control.

{T}: Add {G}.

Exploit
When Rakshasa Gravecaller exploits a creature, create two 2/2 black Zombie creature tokens.

Prevent all combat damage that would be dealt to attacking creatures you control.