Whenever a creature you control enters, put a +1/+1 counter on each creature you control.

If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on that creature instead. When this creature dies, you gain life equal to its power.

Whenever another green creature you control enters, put a +1/+1 counter on target creature.

({T}: Add {G} or {W}.) This land enters tapped.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {G} or {W}.

(This land isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")

({T}: Add {G}.)

({T}: Add {G} or {W}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

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

Flying Lifelink (Damage dealt by this creature also causes you to gain that much life.) Whenever you gain life, put a +1/+1 counter on each creature you control.

Enchant creature Enchanted creature has "Whenever you gain life, put that many +1/+1 counters on this creature."

This creature enters with two +1/+1 counters on it. {2}, Remove a +1/+1 counter from this creature: Put a +1/+1 counter on target creature. Remove a +1/+1 counter from this creature: You gain 2 life.

Flying {T}: Add one mana of any color.

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.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

Whenever one or more +1/+1 counters are put on this creature, you may create a 4/4 green Beast creature token.

(This token can be used to represent a token that's a copy of a permanent.)