2014-04-26 If the copied creature is copying something else (for example, if the copied creature is a Clone), then the token enters the battlefield as whatever that creature copied
Reach (This creature can block creatures with flying.) At the beginning of combat on your turn, put X +1/+1 counters on another target creature you control, where X is Halana and Alena's power
Scytheclaw Raptor forces players to play at sorcery speed (lest they take four damage per spell), Giant Cindermaw shuts down lifegain, and Kinjallis Sunwing forces foes creatures to enter the battlefield tapped
As of me writing this, White and Red seem to include the following: Day of Judgment Devout Decree Disenchant Elspeth's Smite / Joust Through Knight of Grace Stasis Snare Stroke of Midnight Abrade Burst Lightning Mindsparker Seismic Rupture Slagstorm Feels kind of weird that Foundations has both Elspeth's Smite and Joust Through
In other words, if you're not looping Meteor GolemMeteor Golem's enter-the-battlefield effect over and over again, there's less reason every day to be playing it, and even if you are looping it, the cost is still just not worth it in most circumstances
One extra note is that chosen or choose only applies to cards in play, not in the discard unless it specifies