Whenever another creature you control enters, you gain life equal to that creature's toughness. {1}{G}{W}, {T}: Populate. (Create a token that's a copy of a creature token you control.)

This land enters tapped unless you control a Forest or a Plains. {T}: Add {G} or {W}.

Exile target creature. Its controller gains life equal to its power.

Lifelink At the beginning of each end step, if you gained life this turn, distribute up to that many +1/+1 counters among any number of other target creatures.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Partner with Frodo, Adventurous Hobbit (When this creature enters, target player may put Frodo into their hand from their library, then shuffle.) At the beginning of combat on your turn, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.") Activated abilities of Foods you control cost {1} less to activate.

When this creature enters, create a 2/2 white Knight creature token with vigilance, a 3/3 green Centaur creature token, and a 4/4 green Rhino creature token with trample.

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

Whenever you gain life, put a +1/+1 counter on Trelasarra and scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Whenever another nontoken creature you control enters, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.") Sacrifice three Foods: Return target historic card from your graveyard to your hand. (Artifacts, legendaries, and Sagas are historic.)