M:tG card similarity search
3 · Artifact
At the beginning of each player's upkeep, that player puts a flood counter on target non-Island land they control of their choice. That land is an Island for as long as it has a flood counter on it. At the beginning of each end step, if all lands on the battlefield are Islands, remove all flood counters from them.
| Name | Mana | Type | Text |
|---|---|---|---|
| Rethink | 2U | Instant | Counter target spell unless its controller pays {X}, where X is its mana value. |
| Sphere of Annihilation | XB | Artifact | Sphere of Annihilation enters the battlefield with X void counters on it. At the beginning of your upkeep, exile Sphere of Annihilation, all creatures and planeswalkers with mana value less than or equal to the number of void counters on it, and all creature and planeswalker cards in graveyards with mana value less than or equal to the number of void counters on it. |
| Thran Portal | Land — Gate | Thran Portal enters the battlefield tapped unless you control two or fewer other lands. As Thran Portal enters the battlefield, choose a basic land type. Thran Portal is the chosen type in addition to its other types. Mana abilities of Thran Portal cost an additional 1 life to activate. | |
| Karlov of the Ghost Council | WB | Legendary Creature — Spirit Advisor | Whenever you gain life, put two +1/+1 counters on Karlov of the Ghost Council. {W}{B}, Remove six +1/+1 counters from Karlov of the Ghost Council: Exile target creature. 2/2 |
| Morgul-Knife Wound | 1B | Enchantment — Aura | Enchant creature Enchanted creature gets -3/-0 and has "At the beginning of your upkeep, exile this creature unless you pay 2 life." |
| Precognition | 4U | Enchantment | At the beginning of your upkeep, you may look at the top card of target opponent's library. If you do, you may put that card on the bottom of that player's library. |
| Grove Rumbler | 2RG | Creature — Elemental | Trample Landfall — Whenever a land enters the battlefield under your control, Grove Rumbler gets +2/+2 until end of turn. 3/3 |
| Trollbred Guardian | 4G | Creature — Troll Frog Warrior | {2}{G}: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.) Each creature you control with a +1/+1 counter on it has trample. 5/5 |
| Scaretiller | 4 | Artifact Creature — Scarecrow | Whenever Scaretiller becomes tapped, choose one — • You may put a land card from your hand onto the battlefield tapped. • Return target land card from your graveyard to the battlefield tapped. 1/4 |
| Hag of Death's Legion | 2B | Creature — Hag Warlock | At the beginning of your upkeep, create a 1/1 black Skeleton creature token. 2/2 |