Whenever another nontoken creature you control enters, if it wasn't cast, create a token that's a copy of that creature, except it's a 0/1 white Illusion. {1}{W}, Sacrifice five Illusions: Exile target nonland permanent.

Double strike Whenever another legendary creature you control enters, put a +1/+1 counter on Gimli. Whenever Gimli deals combat damage to a player, create a Treasure token.

Whenever a creature enters, you may add an amount of {C} equal to the number of creatures you control that share a creature type with it.

Whenever Loran or another legendary creature you control enters, return target artifact card from your graveyard to your hand.

Whenever a creature you control enters, you may look at the top X cards of your library, where X is that creature's power. If you do, put one of those cards on top of your library and the rest on the bottom of your library in any order.

Menace (This creature can't be blocked except by two or more creatures.) Whenever another creature you control with power 2 or less enters, you may discard a card. If you do, draw a card. Do this only once each turn.

Reach Legolas can't be blocked by creatures with power 2 or less. Whenever another legendary creature you control enters, put a +1/+1 counter on Legolas. Whenever Legolas deals combat damage to a player, draw a card.

Whenever another creature you control with power 2 or less enters, you may pay {1}. If you do, draw a card.

Alliance — Whenever another creature you control enters, scry 1. If this is the second time this ability has resolved this turn, draw a card instead.

Creatures your opponents control enter tapped. Whenever a creature an opponent controls enters, you gain 1 life.

Whenever another creature you control enters, you gain 1 life and get {E} (an energy counter). Whenever you attack, you may pay {E}{E}{E}. When you do, put two +1/+1 counters and a flying counter on target attacking creature. It becomes an Angel in addition to its other types.

Whenever another creature enters, you gain 1 life.

Whenever another creature enters, you may gain 1 life.

Whenever a nontoken creature enters, if this artifact is untapped, that creature's controller creates a 1/1 colorless Myr artifact creature token.

First strike Whenever this creature or another Human you control enters, tap target creature an opponent controls. At the beginning of your upkeep, create a 1/1 white Human Soldier creature token.

When Rosie Cotton enters, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.") Whenever you create a token, put a +1/+1 counter on target creature you control other than Rosie Cotton.