M:tG card similarity search
5 · Artifact Creature — Construct
When Guardians of Koilos enters the battlefield, you may return another target historic permanent you control to its owner's hand. (Artifacts, legendaries, and Sagas are historic.) 4/4
| Name | Mana | Type | Text |
|---|---|---|---|
| Hungry Hungry Heifer | 2G | Creature — Cow | At the beginning of your upkeep, you may remove a counter from a permanent you control. If you don't, sacrifice Hungry Hungry Heifer. 3/3 |
| Curse of the Fire Penguin Creature | Creature — Penguin | Trample When this creature dies, return Curse of the Fire Penguin to the battlefield. 6/5 | |
| Goblin Lackey | R | Creature — Goblin | Whenever Goblin Lackey deals damage to a player, you may put a Goblin permanent card from your hand onto the battlefield. 1/1 |
| Stone Retrieval Unit | 4 | Artifact Creature — Construct | When Stone Retrieval Unit enters the battlefield, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") 2/3 |
| Hollowhenge Spirit | 3W | Creature — Spirit | Flash (You may cast this spell any time you could cast an instant.) Flying When Hollowhenge Spirit enters the battlefield, remove target attacking or blocking creature from combat. 2/2 |
| Aethermage's Touch | 2WU | Instant | Reveal the top four cards of your library. You may put a creature card from among them onto the battlefield. It gains "At the beginning of your end step, return this creature to its owner's hand." Then put the rest of the cards revealed this way on the bottom of your library in any order. |
| Odric's Outrider | 3W | Creature — Human Knight | Whenever Odric's Outrider or another creature you control dies, put a +1/+1 counter on target creature you control. 2/4 |
| Pale Rider of Trostad | 1B | Creature — Spirit | Skulk (This creature can't be blocked by creatures with greater power.) When Pale Rider of Trostad enters the battlefield, discard a card. 3/3 |
| Undertaker | 1B | Creature — Human Spellshaper | {B}, {T}, Discard a card: Return target creature card from your graveyard to your hand. 1/1 |
| Doomwake Giant | 4B | Enchantment Creature — Giant | Constellation — Whenever Doomwake Giant or another enchantment enters the battlefield under your control, creatures your opponents control get -1/-1 until end of turn. 4/6 |