Birthing Ritual Aetherdrift The first instant or sorcery

The first instant or sorcery spell you cast each turn costs {U} (or {1}) less to cast for each land you control with a flood counter on it

({T}: Add {G} or {U}

choose one that hasn't been chosen this turn — • Draw a card

Creatures entering don't cause abilities to trigger

If a land entering causes a triggered ability of a permanent you control to trigger

Birthing Ritual Aetherdrift The first instant or sorceryAt the beginning of your end step, if you control a creature, look at the top seven cards of your library. Then you may sacrifice a creature. If you do, you may put a creature card with mana value X or less from among those cards onto the battlefield, where X is 1 plus the sacrificed creature's mana value. Put the rest on the bottom of your library in a random order.