Hallar, the Firefletcher

Trample
Whenever you cast a spell, if that spell was kicked, put a +1/+1 counter on Hallar, the Firefletcher, then Hallar deals damage equal to the number of +1/+1 counters on it to each opponent.

Arcane Signet

{T}: Add one mana of any color in your commander's color identity.

Cultivate

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Everflowing Chalice

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.)
Everflowing Chalice enters with a charge counter on it for each time it was kicked.
{T}: Add {C} for each charge counter on Everflowing Chalice.

Grow from the Ashes

Kicker {2} (You may pay an additional {2} as you cast this spell.)
Search your library for a basic land card, put it onto the battlefield, then shuffle. If this spell was kicked, instead search your library for two basic land cards, put them onto the battlefield, then shuffle.

Gruul Signet

Sol Ring

Goblin Anarchomancer

Each spell you cast that's red or green costs {1} less to cast.

Elfhame Druid

{T}: Add {G}.
{T}: Add {G}{G}. Spend this mana only to cast kicked spells.

Vine Gecko

The first kicked spell you cast each turn costs {1} less to cast.
Whenever you cast a kicked spell, put a +1/+1 counter on Vine Gecko.

Farseek

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Llanowar Elves

Rampant Growth

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.