Whenever this creature attacks while saddled, untap it and put a +1/+1 counter on it. Saddle 1 (Tap any number of other creatures you control with total power 1 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

Trample As long as you control another creature, prevent all damage that would be dealt to this creature by spells that target it.

Metalcraft — This creature gets +2/+2 as long as you control three or more artifacts.

This creature enters with four +1/+0 counters on it. This creature can't be blocked by artifact creatures. At end of combat, if this creature attacked or blocked this combat, remove a +1/+0 counter from it. {X}, {T}: Put up to X +1/+0 counters on this creature. This ability can't cause the total number of +1/+0 counters on this creature to be greater than four. Activate only during your upkeep.

{1}{R}, {T}: Target Dwarf creature gains mountainwalk until end of turn. (It can't be blocked as long as defending player controls a Mountain.)

This creature can't block creatures with power 3 or greater unless you pay {1}.

As this creature enters, choose a color. Whenever you cast a spell of the chosen color, you gain 1 life.

Whenever this creature attacks while saddled, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Saddle 1 (Tap any number of other creatures you control with total power 1 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

Horses you control have haste. (They can attack and {T} as soon as they come under your control.) Whenever Shadowfax attacks, you may put a creature card with lesser power from your hand onto the battlefield tapped and attacking.

Defender When this creature enters, an opponent gains control of it. At the beginning of your upkeep, each opponent creates a 1/1 white Soldier creature token.

When Bill the Pony enters, create two Food tokens. (They're artifacts with "{2}, {T}, Sacrifice this token: You gain 3 life.") Sacrifice a Food: Until end of turn, target creature you control assigns combat damage equal to its toughness rather than its power.