Whenever a creature you control enters, you gain 1 life.

Whenever a creature you control enters, you gain life equal to its toughness.

When this creature enters, tap up to one target creature. You gain life equal to that creature's power.

(Gain the next level as a sorcery to add its ability.) If you would gain life, you gain that much life plus 1 instead. {3}{W}: Level 2 Whenever you gain life, put a +1/+1 counter on target creature you control. {4}{W}: Level 3 When this Class becomes level 3, return target creature card from your graveyard to the battlefield. You gain life equal to that creature's toughness.

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

{1}{W}, {T}, Sacrifice this creature: Destroy target artifact or enchantment.

Constellation — Whenever an enchantment you control enters, tap target creature an opponent controls.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Sacrifice this creature: Destroy target enchantment.

Whenever this creature attacks, creatures you control get +1/+1 until end of turn.

If a spell would deal damage to a permanent or player, it deals that much damage minus 1 to that permanent or player instead.

Prevent all noncombat damage that would be dealt to you and creatures you control. Whenever a nontoken creature you control enters, create a 2/2 white Unicorn creature token.

Whenever a creature attacks, this artifact deals 1 damage to it.

{2}: The next time an artifact source of your choice would deal damage to you this turn, prevent that damage.

{1}: The next time a black source of your choice would deal damage to you this turn, prevent that damage.

{1}: The next time a blue source of your choice would deal damage to you this turn, prevent that damage.

{1}: The next time a green source of your choice would deal damage to you this turn, prevent that damage.

{1}: The next time a red source of your choice would deal damage to you this turn, prevent that damage.

{1}: The next time a white source of your choice would deal damage to you this turn, prevent that damage.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

If you would draw a card during your draw step, instead you may skip that draw. If you do, until your next turn, you can't be attacked except by creatures with flying and/or islandwalk.

Vigilance Lieutenant — At the beginning of combat on your turn, if you control your commander, prevent all combat damage that would be dealt to creatures you control this turn. Other creatures you control gain vigilance until end of turn.

If an artifact or creature entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Bestow {5}{W}{W} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) Flying, first strike Enchanted creature gets +4/+4 and has flying and first strike.

Flying Whenever this creature attacks, another target attacking creature gains flying until end of turn.

Enchant creature Enchanted creature gets +1/+1 for each artifact and/or enchantment you control.

Whenever another creature you control with power 2 or less enters, target creature you control gets +1/+1 until end of turn.

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.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

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.

Other Horses you control have indestructible. At the beginning of each end step, if you gained life this turn, create a 5/5 white Horse creature token.

Whenever you gain life, put a +1/+1 counter on this creature.

Flying When this creature leaves the battlefield, choose an opponent who controls more lands than you. Search your library for a number of Plains cards equal to the difference, reveal those cards, put one of them onto the battlefield tapped and the rest into your hand, then shuffle.

This artifact enters tapped. {T}: Add {W}.

{T}: Add one mana of any color.

{T}: Add {C}{C}.

Flying When this creature enters, target creature gets +1/+1 and gains flying until end of turn.

Flying

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.

When this creature enters, target creature gets +2/+0 until end of turn.

Flying This creature can't attack or block alone.

Flying (This creature can't be blocked except by creatures with flying or reach.) First strike (This creature deals combat damage before creatures without first strike.)

Flash (You may cast this spell any time you could cast an instant.) Flying If a spell would deal damage to a permanent or player, prevent 1 damage that spell would deal to that permanent or player.

As this land enters, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

({T}: Add {W}.)