M:tG card similarity search
G · Enchantment — Saga
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after VI.) I, II, III, IV, V, VI — Note a creature type that hasn't been noted for Long List of the Ents. When you next cast a creature spell of that type this turn, that creature enters the battlefield with an additional +1/+1 counter on it.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Mirror of the Forebears | 2 | Artifact | As Mirror of the Forebears enters the battlefield, choose a creature type. {1}: Until end of turn, Mirror of the Forebears becomes a copy of target creature you control of the chosen type, except it's an artifact in addition to its other types. | 
| Bloodline Pretender | 3 | Artifact Creature — Shapeshifter | Changeling (This card is every creature type.) As Bloodline Pretender enters the battlefield, choose a creature type. Whenever another creature of the chosen type enters the battlefield under your control, put a +1/+1 counter on Bloodline Pretender. 2/2 | 
| Obelisk of Urd | 6 | Artifact | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) As Obelisk of Urd enters the battlefield, choose a creature type. Creatures you control of the chosen type get +2/+2. | 
| Rally the Ranks | 1W | Enchantment | As Rally the Ranks enters the battlefield, choose a creature type. Creatures you control of the chosen type get +1/+1. | 
| Urza's Incubator | 3 | Artifact | As Urza's Incubator enters the battlefield, choose a creature type. Creature spells of the chosen type cost {2} less to cast. | 
| Instruments of War | 4 | Artifact | Flash As Instruments of War enters the battlefield, choose a creature type. Creatures you control of the chosen type get +1/+1. | 
| Standardize | UU | Instant | Choose a creature type other than Wall. Each creature becomes that type until end of turn. | 
| Faceless Agent | 3 | Creature — Shapeshifter | Changeling When Faceless Agent enters the battlefield, seek a creature card of the most prevalent creature type in your library. 2/2 | 
| Walking Desecration | 2B | Creature — Zombie | {B}, {T}: Creatures of the creature type of your choice attack this turn if able. 1/1 | 
| Extinction | 4B | Sorcery | Destroy all creatures of the creature type of your choice. |