M:tG card similarity search
4 · Artifact
You may choose not to untap Helm of Possession during your untap step. {2}, {T}, Sacrifice a creature: Gain control of target creature for as long as you control Helm of Possession and Helm of Possession remains tapped.
| Name | Mana | Type | Text |
|---|---|---|---|
| Mindslaver | 6 | Legendary Artifact | {4}, {T}, Sacrifice Mindslaver: You control target player during that player's next turn. (You see all cards that player could see and make all decisions for the player.) |
| Catalyst Elemental | 2R | Creature — Elemental | Sacrifice Catalyst Elemental: Add {R}{R}. 2/2 |
| Mold Demon | 5BB | Creature — Fungus Demon | When Mold Demon enters the battlefield, sacrifice it unless you sacrifice two Swamps. 6/6 |
| Plaxcaster Frogling | 1GU | Creature — Frog Mutant | Graft 3 (This creature enters the battlefield with three +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.) {2}: Target creature with a +1/+1 counter on it gains shroud until end of turn. (It can't be the target of spells or abilities.) 0/0 |
| Biovisionary | 1GU | Creature — Human Wizard | At the beginning of the end step, if you control four or more creatures named Biovisionary, you win the game. 2/3 |
| Sonic Screwdriver | 3 | Artifact | {T}: Add one mana of any color. {1}, {T}: Untap another target artifact. {2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.) {3}, {T}: Target creature can't be blocked this turn. |
| Dire Wolf Prowler | 2G | Creature — Wolf | {1}{G}: Dire Wolf Prowler gets +2/+2 and gains haste until end of turn. Activate only once each turn. 2/2 |
| Woodcloaker | 5G | Creature — Elf | Morph {2}{G}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Woodcloaker is turned face up, target creature gains trample until end of turn. 3/3 |
| Snowfall | 2U | Enchantment | Cumulative upkeep {U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an Island is tapped for mana, its controller may add an additional {U}. If that Island is snow, its controller may add an additional {U}{U} instead. Spend this mana only to pay cumulative upkeep costs. |
| Hexplate Wallbreaker | 3RR | Artifact — Equipment | For Mirrodin! (When this Equipment enters the battlefield, create a 2/2 red Rebel creature token, then attach this to it.) Equipped creature gets +2/+2. Whenever equipped creature attacks, if it's the first combat phase of the turn, untap each attacking creature. After this phase, there is an additional combat phase. Equip {3}{R} |