M:tG card similarity search
6 · Legendary Artifact
Whenever Gonti's Aether Heart or another artifact enters the battlefield under your control, you get {E}{E} (two energy counters). Pay {E}{E}{E}{E}{E}{E}{E}{E}, Exile Gonti's Aether Heart: Take an extra turn after this one.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Markov Enforcer | 4RR | Creature — Vampire Soldier | Whenever Markov Enforcer or another Vampire enters the battlefield under your control, Markov Enforcer fights up to one target creature an opponent controls. Whenever a creature dealt damage by Markov Enforcer this turn dies, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.") 6/6 | 
| Llanowar Stalker | G | Creature — Elf Warrior | Whenever another creature enters the battlefield under your control, Llanowar Stalker gets +1/+0 until end of turn. 1/1 | 
| Chasm Guide | 3R | Creature — Goblin Scout Ally | Rally — Whenever Chasm Guide or another Ally enters the battlefield under your control, creatures you control gain haste until end of turn. 3/2 | 
| Ondu Champion | 2RR | Creature — Minotaur Warrior Ally | Rally — Whenever Ondu Champion or another Ally enters the battlefield under your control, creatures you control gain trample until end of turn. 4/3 | 
| Humbler of Mortals | 4GG | Enchantment Creature — Elemental | Constellation — Whenever Humbler of Mortals or another enchantment enters the battlefield under your control, creatures you control gain trample until end of turn. 5/5 | 
| Breathless Knight | 1WB | Creature — Spirit Knight | Flying, lifelink Whenever Breathless Knight or another creature enters the battlefield under your control, if that creature entered from a graveyard or you cast it from a graveyard, put a +1/+1 counter on Breathless Knight. 2/2 | 
| Resolute Blademaster | 3RW | Creature — Human Soldier Ally | Rally — Whenever Resolute Blademaster or another Ally enters the battlefield under your control, creatures you control gain double strike until end of turn. 2/2 | 
| Wildborn Preserver | 1G | Creature — Elf Archer | Flash Reach Whenever another non-Human creature enters the battlefield under your control, you may pay {X}. When you do, put X +1/+1 counters on Wildborn Preserver. 2/2 | 
| Boltwing Marauder | 3BR | Creature — Dragon | Flying Whenever another creature enters the battlefield under your control, target creature gets +2/+0 until end of turn. 5/4 | 
| Impounding Lot-Bot | 3W | Artifact Creature — Robot | When Impounding Lot-Bot enters the battlefield, you may say "INCARCERATE!" in a robot voice. If you do, exile another target artifact or enchantment until Impounding Lot-Bot leaves the battlefield. 3/4 |