Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)Whenever Broodbirth Viper deals combat damage to a player, you may draw a card.
Devour 1 (As this enters, you may sacrifice any number of creatures. This creature enters with that many +1/+1 counters on it.)Each other creature you control enters with an additional X +1/+1 counters on it, where X is the number of +1/+1 counters on Bloodspore Thrinax.
Llanowar Reborn enters tapped.: Add .Graft 1 (This land enters with a +1/+1 counter on it. Whenever a creature enters, you may move a +1/+1 counter from this land onto it.)
Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)Whenever Banshee of the Dread Choir deals combat damage to a player, that player discards a card.
Fumiko the Lowblood has bushido X, where X is the number of attacking creatures. (Whenever this creature blocks or becomes blocked, it gets +X/+X until end of turn.)Creatures your opponents control attack each combat if able.
Play with the top card of your library revealed.You may cast instant and sorcery spells from the top of your library.Whenever you cast an instant or sorcery spell from your library, copy it. You may choose new targets for the copy.