Name:Yavimaya Bloomsage
ManaCost:2 G
Types:Creature Dryad Druid
PT:2/2
T:Mode$ Phase | Phase$ End of Turn | ValidPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigPutCounter | TriggerDescription$ At the beginning of your end step, put a +1/+1 counter on target creature you control. Then if that creature has power 7 or greater, this creature becomes prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)
SVar:TrigPutCounter:DB$ PutCounter | ValidTgts$ Creature.YouCtrl | ValidTgtsDesc$ creature you control | CounterType$ P1P1 | SubAbility$ DBPrepare
SVar:DBPrepare:DB$ AlterAttribute | Attributes$ Prepared | ConditionDefined$ Targeted | ConditionPresent$ Creature.powerGE7
AlternateMode:Prepare
Oracle:At the beginning of your end step, put a +1/+1 counter on target creature you control. Then if that creature has power 7 or greater, this creature becomes prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)

ALTERNATE

CopyFaceFrom:Channel
