Keyword: Domain

Domain — This spell costs less to cast for each basic land type among lands you control.
Flying
Domain — At the beginning of your upkeep, sacrifice Draco unless you pay . This cost is reduced by for each basic land type among lands you control.

Domain — Until end of turn, creatures you control gain trample and get +1/+1 for each basic land type among lands you control.

Domain — Tribal Flames deals X damage to any target, where X is the number of basic land types among lands you control.

Domain — All creatures get -1/-1 until end of turn for each basic land type among lands you control.

Domain — Counter target spell unless its controller pays for each basic land type among lands you control.

Domain — Target creature gets +1/+1 until end of turn for each basic land type among lands you control.

Domain — This spell costs less to cast for each basic land type among lands you control.
Trample

Domain — For each basic land type among lands you control, Magnigoth Treefolk has landwalk of that type. (It can’t be blocked as long as defending player controls a land of that type.)

Domain — Target player loses X life and you gain X life, where X is the number of basic land types among lands you control.

Domain — This spell costs less to cast for each basic land type among lands you control.
Flying
Domain — At the beginning of your upkeep, sacrifice Draco unless you pay . This cost is reduced by for each basic land type among lands you control.

Domain — Target player draws a card for each basic land type among lands they control.

Domain — At the beginning of each player’s upkeep, that player gains 1 life for each basic land type among lands they control. Then Collapsing Borders deals 3 damage to that player.

Enchant creature
Domain — Enchanted creature gets +1/+1 for each basic land type among lands you control.

Domain — You gain 2 life for each basic land type among lands you control.

Domain — Look at the top X cards of your library, where X is the number of basic land types among lands you control. Put one of those cards into your hand and the rest on the bottom of your library in any order.

Domain — Creatures can’t attack you unless their controller pays for each creature they control that’s attacking you, where X is the number of basic land types among lands you control.

Domain — Tribal Flames deals X damage to any target, where X is the number of basic land types among lands you control.

Domain — , : Target creature gets +1/+1 until end of turn for each basic land type among lands you control.

Domain — Create a 1/1 blue Bird creature token with flying for each basic land type among lands you control.

Domain — Wayfaring Giant gets +1/+1 for each basic land type among lands you control.

Enchant creature
Domain — Enchanted creature gets -1/-1 for each basic land type among lands you control.

Domain — Kavu Scout gets +1/+0 for each basic land type among lands you control.