M:tG card similarity search
3 · Artifact
As Stamp of Approval enters the battlefield, choose a watermark. Creatures you control with the chosen watermark get +1/+1.
| Name | Mana | Type | Text |
|---|---|---|---|
| Crater Hellion | 4RR | Creature — Hellion Beast | Echo {4}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When Crater Hellion enters the battlefield, it deals 4 damage to each other creature. 6/6 |
| Cylian Sunsinger | 1G | Creature — Elf Shaman | {R}{G}{W}: Cylian Sunsinger and each other creature with the same name as it get +3/+3 until end of turn. 2/2 |
| Joraga Visionary | 3G | Creature — Elf Wizard | When Joraga Visionary enters the battlefield, draw a card. 3/2 |
| Problematic Volcano | 1RR | World Enchantment | When Problematic Volcano enters the battlefield, it deals 4 damage to any target. Then, starting with you, each player assigns their creatures to the left or right of the volcano. Creatures enter the battlefield to the left or right of the volcano. Creatures can't block creatures on the other side of the volcano. |
| Foreboding Ruins | Land | As Foreboding Ruins enters the battlefield, you may reveal a Swamp or Mountain card from your hand. If you don't, Foreboding Ruins enters the battlefield tapped. {T}: Add {B} or {R}. | |
| Assault Formation | 1G | Enchantment | Each creature you control assigns combat damage equal to its toughness rather than its power. {G}: Target creature with defender can attack this turn as though it didn't have defender. {2}{G}: Creatures you control get +0/+1 until end of turn. |
| Ruins of Oran-Rief | Land | Ruins of Oran-Rief enters the battlefield tapped. {T}: Add {C}. ({C} represents colorless mana.) {T}: Put a +1/+1 counter on target colorless creature that entered the battlefield this turn. | |
| Shivan Wurm | 3RG | Creature — Wurm | Trample When Shivan Wurm enters the battlefield, return a red or green creature you control to its owner's hand. 7/7 |
| Colonel Autumn | 1WB | Legendary Creature — Human Soldier | Lifelink Exploit (When this creature enters the battlefield, you may sacrifice a creature.) Other legendary creatures you control have exploit. Whenever a creature you control exploits a creature, put a +1/+1 counter on each creature you control. 2/3 |
| Perimeter Enforcer | 1W | Creature — Human Detective | Flying, lifelink Whenever another Detective enters the battlefield under your control and whenever a Detective you control is turned face up, Perimeter Enforcer gets +1/+1 until end of turn. 1/1 |