
Land
When this land enters, sacrifice it. When you do, search your library for a basic Swamp, Mountain, or Forest card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Same cycle fetchland for Forest/Plains/Mountain basics, gains 1 life.

Same fetch cycle searching Swamp/Island/Mountain basics.

Same fetch cycle for WUB basics, tapped with lifegain.

Cheap basic fetcher that puts a basic land tapped.

Functionally identical fetch for any basic, enters tapped.

Fetches any basic, untapped with four+ lands.

Premium fetch for any basic land type at 1 life.
→ Infinite ETB, Infinite lifegain triggers, Infinite lifegain
→ Near-infinite landfall triggers, Near-infinite lifegain, Near-infinite lifegain triggers
→ Infinite landfall triggers, Infinite tapped Rock tokens, Put all basic Swamps, Forests, and Mountains from your library onto the battlefield tapped
→ Near-infinite landfall triggers, Near-infinite lifegain, Near-infinite lifegain triggers
→ Infinite landfall triggers, Put all basic Swamps, Forests, and Mountains from your library onto the battlefield
→ Infinite +1/+1 counters on a creature, Infinite landfall triggers, Put all basic Swamps, Forests, and Mountains from your library onto the battlefield