Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)Create three 1/1 white Spirit creature tokens with flying.
When Eerie Soultender enters, mill three cards. (Put the top three cards of your library into your graveyard.), Exile Eerie Soultender from your graveyard: Return another target creature card from your graveyard to your hand.
Up to two target creatures each get +1/+0 and gain first strike until end of turn. (They deal combat damage before creatures without first strike.)Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
When Moldgraf Millipede enters, mill three cards, then put a +1/+1 counter on Moldgraf Millipede for each creature card in your graveyard. (To mill three cards, put the top three cards of your library into your graveyard.)
FlyingWhenever you attack with one or more creatures, target player mills that many cards. (To mill a card, a player puts the top card of their library into their graveyard.): Put Screaming Swarm from your graveyard into your library second from the top.
Constellation — Whenever an enchantment you control enters, Favored of Iroas gains double strike until end of turn. (It deals both first-strike and regular combat damage.)